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01 / SAFETY DATA SHEET

Holmium, Powder 1966 SDS

Collected by RESDS. Original publisher PDF retained. Original ProChem SDS for Holmium, Powder. Product number 1966; revision 04/15. Publication authorized by the user on 2026-09-14.

02 / ORIGINAL PDF

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03 / RESDS DATA ANALYSIS

Normalized SDS data & document analysis

RESDS derives the results below from this document’s extracted text and the site’s same-material index. Detected codes are not reclassified. “Not detected” does not mean “not present”; confirm the original PDF for safety-critical use.

SDS sections14/16
Coverage88%
Hazard codes2
Precautionary codes5
UN numbers1
Same-material docs41

GHS & transport evidence

Page links show the first occurrence found in extracted text.

Hazard statements
H228 p.1H260 p.1
Precautionary statements
P210 p.1P231+P232 p.1P280 p.1P370+P378 p.1P402+P404 p.1
UN numbers
UN3089 p.3
CAS numbers
7440-60-0 p.1
Signal words
Danger

SDS 16-section coverage

14 section headings detected; 2 not detected by the parser.

1. Identification · not detected2. Hazard identification · detected3. Composition / ingredients · detected4. First-aid measures · detected5. Fire-fighting measures · detected6. Accidental release measures · detected7. Handling and storage · detected8. Exposure controls / PPE · detected9. Physical and chemical properties · detected10. Stability and reactivity · detected11. Toxicological information · detected12. Ecological information · detected13. Disposal considerations · detected14. Transport information · not detected15. Regulatory information · detected16. Other information · detected

Normalized physical-property units

Calculated conversions from values detected in this SDS; not independent laboratory measurements.

PropertySDS valueSI conversionUS conversion
Melting point1474 °C1747.15 K2685.2 °F
Boiling point2695 °C2968.15 K4883.0 °F

Same-material SDS comparison

41 indexed documents · 4 publishers · 5 languages · 8 stated revisions · page range 3–8. This compares document metadata, not product equivalence.

PublisherRevisionLanguageRegionPages
Current ProChem, Inc.04/15EnglishUnited States4
Ames Laboratory, US DOE — Materials Preparation CenterJanuary 26, 2016EnglishUnited States · OSHA HCS 29 CFR 1910.12003
Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)25-Jul-2026EnglishUnited Kingdom7
Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)25-Jul-2026EnglishUnited Kingdom7
Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)25-Jul-2026EnglishUnited Kingdom7
Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)06-Aug-2026EnglishUnited Kingdom7
Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)25-Jul-2026EnglishUnited Kingdom7
Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)25-Jul-2026EnglishUnited Kingdom7
SDS publisher documentEXTRACTED RESDS parserCALCULATED deterministic conversion / coverageDERIVED same-material index comparison
04 / SPECIFICATIONS

Material & document specifications

Material
Holmium, Powder
Product / grade
1966
Publisher
ProChem, Inc.
Region
United States
File name
prochem-holmiumpowder40mesh-1966.pdf
Document type
SDS
CAS reference(s)
7440-60-0
Language
English
Original revision
04/15
Pages
4
File size
880 KB
Downloads
2
Date added
2026-09-14
HoElemental metalPowder / nanopowderComposition not fully established
Why this document matches

Composition is not fully established. An unlisted element is not proof of absence.

Ho · Composition · Page 2
Formula: Ho
05 / DOCUMENT TEXT

Full document text

4 pages · Original document language

Text extracted from the original PDF. Page order and original wording are preserved; tables and symbols may differ from the PDF layout. Check the original PDF for safety-critical details.

Page 1

SECTION 1 PRODUCT AND COMPANY INFORMATION

PRODUCT NAME: Holmium, Powder

PRODUCT NUMBER: 1966

CAS NUMBER: 7440-60-0

MANUFACTURER:

Prochem, Inc. PHONE: 815-398-1788 826 Roosevelt Road FAX: 815-398-1810 Rockford, IL 61109 TOLL FREE: 800-795-8788

IN CASE OF TRANSPORTATION EMERGENCY CONTACT CHEM-TREC: 1-800-424-9300

SECTION 2 HAZARDS IDENTIFICATION

CLASSIFICATION OF SUBSTANCE OR MIXTURE

Pictogram

Signal Word Danger

Hazard Statements

H228 Flammable solid. H260 In contact with water released flammable gases, which may ignite spontaneously.

Precautionary Phrases

P210 Keep away from heat/sparks/open flames/hot surfaces. No smoking. P231+P232 Handle under inert gas. Protect from moisture. P280 Wear protective gloves/protective clothing/eye protection/face protection. P370+P378 In case of fire: Use for extinction: Special powder for metal fires. P402+P404 Store in a dry place. Store in a closed container.

HMIS CLASSIFICATION: Health: 1 Fire: 3 Reactivity Hazard: 2 NFPA RATING: Health: 1 Flammability: 3 Reactivity Hazard: 2

EYE CONTACT: May cause slight to mild irritation of the eyes. SKIN CONTACT: May cause slight to mild irritation of the skin. INHALATION: Inhalation of any fine dust may be irritating to the nasal cavity, mucous membranes, and respiratory tract. INGESTION: No specific information is available on the physiological effects of ingestion.

HOLMIUM POWDER PAGE 1

Page 2

SECTION 3 COMPOSITION / INFORMATION ON INGREDIENTS

Formula: Ho

Molecular Weight: 164.93

CHEMICAL NAME CAS# %

Holmium Powder 7440-60-0 100

SECTION 4 FIRST AID MEASURES

EYE EXPOSURE: Immediately flush the eyes with copious amounts of water for at least 15 minutes. Assure flushing under eyelids. A victim may need assistance in keeping their eyelids open. Get immediate competent medical attention. SKIN EXPOSURE: Wash affected area with plenty of water. Remove contaminated clothes if necessary. Seek medical assistance if irritation persists. INHALATION: Remove to fresh air and keep at rest. Closely monitor the victim for signs of respiratory problems, such as difficulty in breathing, coughing, wheezing, or pain. In such cases, seek immediate medical assistance. INGESTION: Seek medical assistance immediately. Keep the victim calm. Give the victim water (only if conscious). Induce vomiting only if directed by medical personnel.

SECTION 5 FIREFIGHTING MEASURES

FLASH POINT: Not available AUTO IGNITION TEMPERATURE: Not available EXPLOSION LIMITS: Not available EXTINGUISHING MEDIUM: Special powder for metal fires. Do not use water. SPECIAL FIRE FIGHTING PROCEDURES: Wear self-contained, approved breathing apparatus and full protective clothing, including eye protection and boots. HAZARDOUS COMBUSTION AND DECOMPOSITION PRODUCTS: Holmium oxide

SECTION 6 ACCIDENTAL RELEASE MEASURES

PERSONAL PRECAUTIONS: Wear all appropriate equipment when using this material. Ensure adequate ventilation. Avoid dust formation. Avoid breathing dust. Keep away from sources of ignition. ENVIRONMENTAL PRECAUTIONS: Prevent spillage from entering drains or allowing to be released into the environment. METHODS AND MATERIALS FOR CONTAINMENT AND CLEANING UP: Sweep up and place in suitable container for proper disposal.

SECTION 7 HANDLING AND STORAGE

PRECAUTIONS FOR SAFE HANDLING: Wear appropriate personal protective equipment. Ensure adequate ventilation. Avoid contact with skin and eyes. CONDITIONS FOR SAFE STORAGE: Store in cool, dry, and well-ventilated area. Store away from water, air, moisture, oxidizing agents, and acid chlorides. Store under inert gas. Protect from humidity and water.

SECTION 8 EXPOSURE CONTROLS AND PERSONAL PROTECTION

EXPOSURE CONTROLS: This product does not contain any quantities of materials with critical values that have to be monitored. EYE PROTECTION: Wear chemical safety glasses or goggles and face shield. SKIN PROTECTION: Wear nitrile or rubber gloves, and a complete suit protecting against chemicals. VENTILATION: Provide local exhaust, preferably mechanical. RESPIRATOR: Use an approved respirator. ADDITIONAL PROTECTION: Provide eyewash stations, quick-drench showers and washing facilities accessible to areas of use and handling.

HOLMIUM POWDER PAGE 2

Page 3

SECTION 9 PHYSICAL AND CHEMICAL PROPERTIES

COLOR AND FORM: Grey to silver powder ODOR: None MOLECULAR WEIGHT: 164.93 BOILING POINT: 2695° C MELTING POINT: 1474° C SPECIFIC GRAVITY: 8.795 gm/ml VAPOR DENSITY: No data available SOLUBILITY: Insoluble

SECTION 10 STABILITY AND REACTIVITY

STABILITY: Stable HAZARDOUS POLYMERIZATION: Will not occur CONDITIONS TO AVOID: Contact with water releases flammable gas. INCOMPATIBILITY: Strong oxidizers, water, alcohols, oxygen, halogens, halocarbons, and mineral acids. DECOMPOSITION PRODUCTS: Acids, air, oxidizing agents, acid chlorides, water, and moisture.

SECTION 11 TOXICOLOGICAL DATA

ACUTE TOXICITY: Not available CARCINOGENIC EFFECTS: Not classified as a human carcinogen. MUTAGENIC EFFECTS: Not available TETRATOGENIC EFFECTS: Not available CHRONIC TOXICITY: Not available RTECS: No data

To the best of our knowledge the toxicological effects of this compound have not been fully investigated.

SECTION 12 ECOLOGICAL DATA

No information available

SECTION 13 DISPOSAL CONSIDERATIONS

Dispose of in according to local, state, and federal regulations.

SECTION 14 TRANSPORTATION DATA

DOT: UN3089 IATA: UN3089

Metal powders, flammable, n.o.s. Metal powder, flammable, n.o.s.

(Holmium powder) (Holmium powder)

CLASS 4.1 CLASS 4.1

PG III PG III

Marine Pollutant: No

SECTION 15 REGULATORY INFORMATION

TSCA: Listed

SARA (TITLE 313): Not listed

CALIFORNIA PROP. 65: Not Listed

HOLMIUM POWDER PAGE 3

Page 4

SECTION 16 OTHER INFORMATION

DISCLAIMER: The information herein is believed to be accurate and reliable as of the date compiled. However, Prochem, Inc. makes no representation, warranty, or guarantee of any kind with respect to the information in this document or any use of the product based on the information. DATE PREPARED: 04/15 SDS DEPT,

HOLMIUM POWDER PAGE 4

06 / OTHER PUBLISHERS

Same material — SDS from other publishers

40 documents in this material index. Product grades, hydration states and formulations must be checked in each original PDF.

PDF · 3 pages

Holmium metal SDS – CAS 7440-60-0 – Ames Laboratory

Ames Laboratory, US DOE — Materials Preparation Center

English · January 26, 2016

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Holmium foil (99.9% REO) 93-6734 SDS – Strem Chemicals, Inc.

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French · 21.07.2021

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Holmium foil (99.9% REO) 93-6734 SDS – Strem Chemicals, Inc.

Strem Chemicals, Inc.

English · 21.07.2021

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Holmium foil (99.9% REO) 93-6734 SDS – Strem Chemicals, Inc.

Strem Chemicals, Inc.

Chinese · 2021.07.21

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Holmium foil (99.9% REO) 93-6733 SDS – Strem Chemicals, Inc.

Strem Chemicals, Inc.

English · 07/21/2021

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Holmium foil (99.9% REO) 93-6734 SDS – Strem Chemicals, Inc.

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German · 21.07.2021

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Holmium foil (99.9% REO) 93-6733 SDS – Strem Chemicals, Inc.

Strem Chemicals, Inc.

Korean · 2021.07.21

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Holmium foil (99.9% REO) 93-6733 SDS – Strem Chemicals, Inc.

Strem Chemicals, Inc.

English · 21.07.2021

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Holmium foil (99.9% REO) 93-6733 SDS – Strem Chemicals, Inc.

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French · 21.07.2021

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Holmium ingot (99.9% REO) 93-6732 SDS – Strem Chemicals, Inc.

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English · 07/21/2021

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Holmium foil (99.9% REO) 93-6733 SDS – Strem Chemicals, Inc.

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Chinese · 2021.07.21

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Holmium foil (99.9% REO) 93-6733 SDS – Strem Chemicals, Inc.

Strem Chemicals, Inc.

German · 21.07.2021

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Holmium ingot (99.9% REO) 93-6732 SDS – Strem Chemicals, Inc.

Strem Chemicals, Inc.

Korean · 2021.07.21

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Holmium ingot (99.9% REO) 93-6732 SDS – Strem Chemicals, Inc.

Strem Chemicals, Inc.

English · 21.07.2021

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Holmium ingot (99.9% REO) 93-6732 SDS – Strem Chemicals, Inc.

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French · 21.07.2021

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English · 07/21/2021

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Holmium ingot (99.9% REO) 93-6732 SDS – Strem Chemicals, Inc.

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Chinese · 2021.07.21

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Holmium ingot (99.9% REO) 93-6732 SDS – Strem Chemicals, Inc.

Strem Chemicals, Inc.

German · 21.07.2021

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Holmium chips (99% REO) 93-6731 SDS – Strem Chemicals, Inc.

Strem Chemicals, Inc.

Korean · 2021.07.21

PDF · 6 pages

Holmium chips (99% REO) 93-6731 SDS – Strem Chemicals, Inc.

Strem Chemicals, Inc.

English · 21.07.2021

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Holmium chips (99% REO) 93-6731 SDS – Strem Chemicals, Inc.

Strem Chemicals, Inc.

French · 21.07.2021

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Chinese · 2021.07.21

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Holmium powder (99.9% REO) 93-6730 SDS – Strem Chemicals, Inc.

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Holmium chips (99% REO) 93-6731 SDS – Strem Chemicals, Inc.

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German · 21.07.2021

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Strem Chemicals, Inc.

Korean · 2021.07.21

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Holmium powder (99.9% REO) 93-6730 SDS – Strem Chemicals, Inc.

Strem Chemicals, Inc.

English · 21.07.2021

PDF · 7 pages

Holmium powder (99.9% REO) 93-6730 SDS – Strem Chemicals, Inc.

Strem Chemicals, Inc.

French · 21.07.2021

PDF · 7 pages

Holmium powder (99.9% REO) 93-6730 SDS – Strem Chemicals, Inc.

Strem Chemicals, Inc.

German · 21.07.2021

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Holmium powder (99.9% REO) 93-6730 SDS – Strem Chemicals, Inc.

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07 / SOURCE COMPANY

Original publisher & company information

Manufacturer / supplier listed in SDS

ProChem, Inc.

Official website checked
Brand / organization
ProChem
Country / office
United States
SDS contact email
Not stated in SDS
Business phone in SDS
815-398-1788
Product / reference
1966
Official website contactinfo@prochemonline.com (General inquiries)Source · Checked 2026-09-14

Official site identifies ProChem, Inc. at 826 Roosevelt Road, Rockford, IL 61109 and publishes its general contact email.

View extracted supplier details
COMPANY INFORMATION

 PRODUCT NAME:    Holmium, Powder

 PRODUCT NUMBER:  1966

 CAS NUMBER:        7440-60-0

 MANUFACTURER:


 Prochem, Inc.                                         PHONE:        815-398-1788
 826 Roosevelt Road                                          FAX:           815-398-1810
 Rockford, IL  61109                                     TOLL FREE:    800-795-8788

About ProChem, Inc.

Official site identifies ProChem, Inc. at 826 Roosevelt Road, Rockford, IL 61109 and publishes its general contact email.

Company website & profile
Document source & record history

Original record: Holmium, Powder – ProChem SDS

Added: 2026-09-14T08:21:12.000Z · Record updated: 2026-09-14T09:37:05.650Z

Original file SHA-256: e09daa20cb65e048e7bf9ab606dd303b4354238657a5bb2ce21cabf5f406390e

Original source PDF

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08 / OFFICIAL REFERENCES

Official chemical reference sources

Source guide ↗

CAS references recorded in this SDS. Properties below describe individual substances, not necessarily the complete product. Check the original SDS for mixtures, grades and hydrate states.

CAS 7440-60-0holmium

GHS provides classification criteria. The applicable hazard classification must be checked for the specific product and jurisdiction.

09 / MATERIAL SUPPLIERS

Suppliers of this material

Companies identified from matching material SDS and checked official product pages. Confirm grade, formulation and availability with the supplier. Missing contacts are not inferred.

CompanyCountryWebsiteEmailPhoneEvidence
Ames Laboratory, US DOEUnited StatesWebsite mpc@ameslab.gov515-294-5236Source Same material SDS; verify grade and availability
Avocado Research Chemicals Ltd.United KingdomWebsite Not stated+44 (0) 1524 850506Source Same material SDS; verify grade and availability
Strem Chemicals, Inc.United StatesWebsite info@strem.comNot statedSource Same material SDS; verify grade and availability
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10 / GLOBAL SEARCH

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11 / WIKIPEDIA

Material background on Wikipedia

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