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01 / SAFETY DATA SHEET

Erbium (III) Oxide 1728 SDS

Collected by RESDS. Original publisher PDF retained. Original ProChem SDS for Erbium (III) Oxide. Product number 1728; revision 01/15. Publication authorized by the user on 2026-09-14.

02 / SPECIFICATIONS

Material & document specifications

Material
Erbium (III) Oxide
Product / grade
1728
Publisher
ProChem, Inc.
Region
United States
File name
prochem-erbiumoxide-1728.pdf
Document type
SDS
CAS reference(s)
12061-16-4
Language
English
Original revision
01/15
Pages
3
File size
839 KB
Downloads
3
Date added
2026-09-14
ErOxideComposition not fully established
Why this document matches

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

Er · Composition · Page 1
Formula: Er2O3
O · Composition · Page 1
Formula: Er2O3

Other documented elements: O

03 / ORIGINAL PDF

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07 / OTHER PUBLISHERS

Same material — SDS from other publishers

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

08 / GLOBAL SEARCH

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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 12061-16-4Chemical reference & source links
Chemical name (IUPAC)
View at PubChem ↗
Molecular formula
View at PubChem ↗
Molecular weight
View at PubChem ↗
Selected synonyms
View at PubChem ↗

Open this reference to retrieve available PubChem properties. Official lookup links remain available.

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

04 / 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
1728
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:    Erbium (III) Oxide

 PRODUCT NUMBER:  1728

 CAS NUMBER:        12061-16-4

 SYNONYMS:          Erbia

 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: Erbium (III) Oxide – ProChem SDS

Added: 2026-09-14T07:46:08.000Z · Record updated: 2026-09-14T09:37:05.650Z

Original file SHA-256: dcdbc920c513b9805d76bc805a81dd1545ce039b600e138195ae2be7bc86cb78

Original source PDF

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05 / MATERIAL SUPPLIERS

Suppliers of this material

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CompanyCountryWebsiteEmailPhoneEvidence
Avocado Research Chemicals Ltd.United KingdomWebsite Not stated+44 (0) 1524 850506Source Same material SDS; verify grade and availability
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06 / DOCUMENT TEXT

Full document text

3 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: Erbium (III) Oxide

PRODUCT NUMBER: 1728

CAS NUMBER: 12061-16-4

SYNONYMS: Erbia

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

Not classified as a hazardous substance according to the GHS

HMIS CLASSIFICATION: Health: 0 Fire: 0 Reactivity Hazard: 0 NFPA RATING: Health: 0 Flammability: 0 Reactivity Hazard: 0

EYE CONTACT: May cause slight to mild irritation of the eyes. SKIN CONTACT: May cause slight to mild irritation of the skin. INHALATION: May be irritating to the nose, mucous membranes, and respiratory tract. INGESTION: No information available on the effects of ingestion.

SECTION 3 COMPOSITION / INFORMATION ON INGREDIENTS

Formula: Er2O3

Molecular Weight: 382.52

CHEMICAL NAME CAS# %

Erbium (III) Oxide 12061-16-4 100

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.

ERBIUM (III) OXIDE PAGE 1

Page 2

SECTION 4 FIRST AID MEASURES (Cont.)

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: Product is not flammable AUTO IGNITION TEMPERATURE: Not available EXPLOSION LIMITS: This product does not present an explosion hazard EXTINGUISHING MEDIUM: Use fire fighting measures that suit the surrounding fire. SPECIAL FIRE FIGHTING PROCEDURES: Wear self-contained, approved breathing apparatus and full protective clothing, including eye protection and boots. HAZARDOUS COMBUSTION AND DECOMPOSITION PRODUCTS: None

SECTION 6 ACCIDENTAL RELEASE MEASURES

PERSONAL PRECAUTIONS: Wear all appropriate equipment when using this material. Ensure adequate ventilation. Avoid the formation of dust. Avoid breathing vapors, mist, gas, or dust. ENVIRONMENTAL PRECAUTIONS: Prevent spillage from entering drains or allowing to be released into the environment. METHODS AND MATERIALS FOR CONTAINMENT AND CLEANING UP: Mix spills with vermiculite or sodium carbonate. Sweep up and place in suitable container for proper disposal.

SECTION 7 HANDLING AND STORAGE

PRECAUTIONS FOR SAFE HANDLING: Wear appropriate personal protective equipment. Avoid contact with skin and eyes. Use with adequate ventilation. Avoid formation of dusts and aerosols. CONDITIONS FOR SAFE STORAGE: Store in cool, dry, and well-ventilated area. Store under dry inert gas. Protect from humidity and water.

SECTION 8 EXPOSURE CONTROLS AND PERSONAL PROTECTION

EXPOSURE CONTROLS: Contains no substances with occupational exposure limit values. 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.

SECTION 9 PHYSICAL AND CHEMICAL PROPERTIES

COLOR AND FORM: Rose-pink powder ODOR: None MOLECULAR WEIGHT: 382.52 BOILING POINT: 3290° C MELTING POINT: 2400° C SPECIFIC GRAVITY: 8.64 gm/ml VAPOR DENSITY: No data available SOLUBILITY: Insoluble

ERBIUM (III) OXIDE PAGE 2

Page 3

SECTION 10 STABILITY AND REACTIVITY

STABILITY: Stable HAZARDOUS POLYMERIZATION: Will not occur CONDITIONS TO AVOID: No data available INCOMPATIBILITY: No data available DECOMPOSITION PRODUCTS: None

SECTION 11 TOXICOLOGICAL DATA

ACUTE TOXICITY: LD50 Oral – rat – >5000mg/kg. Standard Draize Test Eyes – rabbit – 100mg – Irritation of the eyes. CARCINOGENIC EFFECTS: No components of this product present at levels greater than or equal to 0.1% is identified a carcinogen. MUTAGENIC EFFECTS: Not available TETRATOGENIC EFFECTS: Not available RTECS: KD9250000

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

SECTION 12 ECOLOGICAL DATA

No data available.

SECTION 13 DISPOSAL CONSIDERATIONS

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

SECTION 14 TRANSPORTATION DATA

Not a dangerous good.

SECTION 15 REGULATORY INFORMATION

TSCA: Listed in the TSCA inventory

SARA 302/304: Not Listed

SARA 311/312: No SARA Hazards

SARA (TITLE 313): Not Listed

CALIFORNIA PROP. 65: Not Listed

MASSACHUSETTS RIGHT TO KNOW COMPONENTS: No components are subject to the Massachusetts Right to Know Act.

NEW JERSEY RIGHT TO KNOW COMPONENTS: Erbium (III) oxide

PENNSYLVANIA RIGHT TO KNOW COMPONENTS: Erbium (III) oxide

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: 01/15 SDS DEPT.

ERBIUM (III) OXIDE PAGE 3

09 / WIKIPEDIA

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