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Chemical Datasheet
Chemical Identifiers
CAS Number |
UN/NA Number |
DOT Hazard Label |
USCG CHRIS Code |
- 55671-32-4 (hemihydrate)
- 5893-66-3 (replaced by 55671-32-4)
- 814-91-5
|
none
|
data unavailable
|
|
NIOSH Pocket Guide |
International Chem Safety Card |
none
|
none
|
NFPA 704
data unavailable
General Description
Odorless bluish-white solid. Denser than water and insoluble in water. Hence sinks in water. Used as a catalysts for organic reactions.
Hazards
Reactivity Alerts
none
Air & Water Reactions
Insoluble in water.
Fire Hazard
Special Hazards of Combustion Products: Toxic carbon monoxide gas may form in fire. (USCG, 1999)
Health Hazard
Inhalation causes irritation of nose and throat. Ingestion of very large amounts may produce symptoms of oxalate poisoning; watch for edema of the glottis and delayed constriction of esophagus. Contact with eyes causes irritation. (USCG, 1999)
Reactivity Profile
CUPRIC OXALATE dissolves in aqueous ammonia and reacts as an acid to neutralize other bases as well. Can serve as a reducing agent in reactions that generate carbon dioxide.
Belongs to the Following Reactive Group(s)
- Salts, Basic
- Reducing Agents, Weak
Potentially Incompatible Absorbents
No information available.
Response Recommendations
Isolation and Evacuation
No information available.
Firefighting
No information available.
Non-Fire Response
No information available.
Protective Clothing
Dust mask; goggles or face shield; protective gloves (USCG, 1999)
DuPont Tychem® Suit Fabrics
No information available.
First Aid
INHALATION: remove to fresh air; if exposure has been prolonged, watch for symptoms of oxalate poisoning (nausea, shock, collapse, and convulsions).
INGESTION: give large amount of water; induce vomiting; get medical attention.
EYES: flush with water for at least 15 min.
SKIN: flush with water. (USCG, 1999)
Physical Properties
Chemical Formula: |
- C4Cu2O8.H2O (hemihydrate)
- C2CuO4
|
Flash Point: data unavailable
Lower Explosive Limit (LEL): data unavailable
Upper Explosive Limit (UEL): data unavailable
Autoignition Temperature: data unavailable
Melting Point: data unavailable
Vapor Pressure: data unavailable
Vapor Density (Relative to Air): data unavailable
Specific Gravity:
greater than 1
at 68°F
(USCG, 1999)
Boiling Point: data unavailable
Molecular Weight:
160.6
(USCG, 1999)
Water Solubility: data unavailable
Ionization Energy/Potential: data unavailable
IDLH: data unavailable
AEGLs (Acute Exposure Guideline Levels)
No AEGL information available.
ERPGs (Emergency Response Planning Guidelines)
No ERPG information available.
PACs (Protective Action Criteria)
Chemical |
PAC-1 |
PAC-2 |
PAC-3 |
Copper(II) oxalate (814-91-5)
|
7.3 mg/m3 |
79 mg/m3 |
480 mg/m3 |
(DOE, 2024)
Regulatory Information
EPA Consolidated List of Lists
Regulatory Name |
CAS Number/ 313 Category Code |
EPCRA 302 EHS TPQ |
EPCRA 304 EHS RQ |
CERCLA RQ |
EPCRA 313 TRI |
RCRA Code |
CAA 112(r) RMP TQ |
Copper Compounds |
N100 |
|
|
& |
313 |
|
|
Cupric oxalate |
55671-32-4 |
|
|
100 pounds |
313c |
|
|
(EPA List of Lists, 2024)
CISA Chemical Facility Anti-Terrorism Standards (CFATS)
No regulatory information available.
OSHA Process Safety Management (PSM) Standard List
No regulatory information available.
Alternate Chemical Names
- COPPER OXALATE
- CUPRIC OXALATE
- CUPRIC OXALATE HEMIHYDRATE