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.
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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.
GHS & transport evidence
Page links show the first occurrence found in extracted text.
SDS 16-section coverage
14 section headings detected; 2 not detected by the parser.
Normalized physical-property units
Calculated conversions from values detected in this SDS; not independent laboratory measurements.
| Property | SDS value | SI conversion | US conversion |
|---|---|---|---|
| Melting point | 1474 °C | 1747.15 K | 2685.2 °F |
| Boiling point | 2695 °C | 2968.15 K | 4883.0 °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.
| Publisher | Revision | Language | Region | Pages |
|---|---|---|---|---|
| Current ProChem, Inc. | 04/15 | English | United States | 4 |
| Ames Laboratory, US DOE — Materials Preparation Center | January 26, 2016 | English | United States · OSHA HCS 29 CFR 1910.1200 | 3 |
| Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific) | 25-Jul-2026 | English | United Kingdom | 7 |
| Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific) | 25-Jul-2026 | English | United Kingdom | 7 |
| Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific) | 25-Jul-2026 | English | United Kingdom | 7 |
| Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific) | 06-Aug-2026 | English | United Kingdom | 7 |
| Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific) | 25-Jul-2026 | English | United Kingdom | 7 |
| Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific) | 25-Jul-2026 | English | United Kingdom | 7 |
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
Why this document matches
Composition is not fully established. An unlisted element is not proof of absence.
Formula: Ho
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
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Original publisher & company information
ProChem, Inc.
- Brand / organization
- ProChem
- Country / office
- United States
- Website
- prochemonline.com
- SDS contact email
- Not stated in SDS
- Business phone in SDS
- 815-398-1788
- Product / reference
- 1966
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 & profileDocument 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
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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
CAS 7440-60-0 · CAS Common Chemistry ↗ · PubChem ↗
- Chemical name (IUPAC)
- holmium ↗
- Molecular formula
- Ho ↗
- Molecular weight
- 164.93033 g/mol ↗
- Chemical structure
- Open structure at PubChem ↗
PubChem reference retrieved 2026-09-14. Exact CAS synonym match.
ECHA CHEM · search CAS 7440-60-0 ↗ · AICIS inventory · search CAS 7440-60-0 ↗
GHS provides classification criteria. The applicable hazard classification must be checked for the specific product and jurisdiction.
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.
| Company | Country | Website | Phone | Evidence | |
|---|---|---|---|---|---|
| Ames Laboratory, US DOE | United States | Website | mpc@ameslab.gov | 515-294-5236 | Source Same material SDS; verify grade and availability |
| Avocado Research Chemicals Ltd. | United Kingdom | Website | Not stated | +44 (0) 1524 850506 | Source Same material SDS; verify grade and availability |
| Strem Chemicals, Inc. | United States | Website | info@strem.com | Not stated | Source Same material SDS; verify grade and availability |
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Material background on Wikipedia
Look up Holmium, Powder on Wikipedia. A matching article introduction is displayed when available; product-specific mixtures and reference materials may not have a dedicated article.
Find this material on Wikipedia ↗Introduction from Wikipedia contributors; CC BY-SA 4.0. General material background, not a replacement for this product’s SDS.