Calcium dioxido(dioxo)chromium
CaCrO4
calcium dioxido(dioxo)chromium
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Identification
- CAS Number
- 13765-19-0
- EC Number
- 237-366-8
- UN Number
- 3077
- Index Number
- 024-008-00-9
- PubChem CID
- 26264
Physical-chemical properties
- Molecular Formula
- CaCrO4
- Molar Mass
- 156.07 g/mol
- IUPAC Name
- calcium dioxido(dioxo)chromium
Chemical Identifiers
- InChI
- InChI=1S/Ca.Cr.4O/q+2;;;;2*-1
- InChI Key
- RFAFBXGYHBOUMV-UHFFFAOYSA-N
Overview
Calcium dioxido(dioxo)chromium (CAS 13765-19-0) is an inorganic chromium compound with strong oxidizing properties and significant toxicological concerns. This calcium chromate salt, with the molecular formula CaCrO4 and molar mass of 156.07 g/mol, represents a critical industrial chemical requiring careful handling due to its hazardous nature. The compound is classified under EC number 237-366-8 and falls within ADR transport class 9, reflecting its miscellaneous dangerous goods status. Its hazard profile includes carcinogenic properties (Category 1B), acute toxicity, and severe aquatic toxicity, necessitating comprehensive safety protocols in industrial applications. The substance exhibits the characteristic yellow crystalline appearance typical of chromate compounds and demonstrates high solubility in water, contributing to its environmental persistence and bioavailability concerns. Its oxidizing properties make it particularly reactive with organic materials and reducing agents, requiring specialized storage conditions away from incompatible substances. Unlike simpler organic compounds such as 2-chloroprop-2-enyl N,N-diethylcarbamodithioate, calcium chromate's inorganic nature presents unique challenges in terms of environmental fate and remediation. Primary industrial applications include its use as a corrosion inhibitor in metal treatment processes, as a pigment precursor in specialized coatings, and as an oxidizing agent in certain chemical syntheses. The compound's strong oxidizing capacity makes it valuable in electroplating operations and as a component in primer formulations for aerospace applications where corrosion resistance is paramount. OYSI maintains strategic inventory of calcium dioxido(dioxo)chromium to support European industrial requirements, ensuring reliable supply chain management for qualified customers operating under appropriate regulatory frameworks and safety protocols.
Safety & Classification
Carc. 1B; Acute Tox. 4 *; Aquatic Acute 1; Aquatic Chronic 1
GHS Pictograms
HHazard Statements (H-Statements)
Describe the nature and severity of the hazard
Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).
First Aid Measures
Ingestion
Measures if substance is accidentally swallowed
First Aid Actions
- +P301IF SWALLOWED:
- +P330Rinse mouth.
- +P331Do NOT induce vomiting.
- +P310Immediately call a POISON CENTER/doctor.
Related hazard statements:
General Measures
Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)
First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.
Transport (ADR)
| UN Number | 3077 |
| ADR Class | 9 |
| Packing Group | III |
| Tunnel Code | - |
| Proper Shipping Name | Calciumchromat |
| Marine Pollutant | No |
Frequently Asked Questions
What is calcium dioxido(dioxo)chromium?
Calcium dioxido(dioxo)chromium is an inorganic compound with the chemical formula CaCrO4 and CAS number 13765-19-0. This chromium-based chemical has a molecular weight of 156.07 g/mol and belongs to the chromate family. It is classified as a Category 1B carcinogen and presents significant health and environmental hazards, requiring careful handling and strict safety protocols in industrial applications.
What are the physicochemical properties of calcium dioxido(dioxo)chromium?
Calcium dioxido(dioxo)chromium is a solid inorganic compound at room temperature with the molecular formula CaCrO4. It typically appears as a yellow to orange crystalline powder and is moderately soluble in water. The compound has a molecular weight of 156.07 g/mol and exhibits the characteristic properties of chromate salts, including oxidizing behavior and environmental persistence.
What is calcium dioxido(dioxo)chromium used for?
Calcium dioxido(dioxo)chromium is primarily used in specialized industrial applications including pigment manufacturing, corrosion inhibition systems, and as an intermediate in chromium compound synthesis. It serves as a source of chromium in various chemical processes and may be utilized in metal treatment applications. Due to its carcinogenic properties, its use is heavily regulated and limited to professional industrial settings with appropriate safety measures.
How to handle calcium dioxido(dioxo)chromium safely?
Calcium dioxido(dioxo)chromium requires strict safety protocols due to its carcinogenic and toxic properties. Personal protective equipment must include respiratory protection, chemical-resistant gloves, safety goggles, and protective clothing. Work should be conducted in well-ventilated areas or under fume extraction systems. Avoid inhalation, skin contact, and ingestion. Regular health monitoring and training for personnel handling this substance are essential for safe operations.
How to store calcium dioxido(dioxo)chromium correctly?
Calcium dioxido(dioxo)chromium must be stored in tightly sealed containers in a cool, dry, well-ventilated area away from incompatible materials. Keep away from reducing agents, organic materials, and combustible substances due to its oxidizing properties. Storage areas should be clearly labeled with appropriate hazard warnings and access should be restricted to trained personnel. Ensure compliance with local regulations for carcinogenic substance storage.
What to do in case of contact with calcium dioxido(dioxo)chromium?
Immediate action is required for any contact with calcium dioxido(dioxo)chromium. For skin contact, remove contaminated clothing and wash thoroughly with soap and water for at least 15 minutes. If inhaled, move to fresh air immediately and seek medical attention. For eye contact, flush with water for at least 15 minutes. Never induce vomiting if ingested. Seek immediate medical attention in all cases of exposure, informing medical personnel of the carcinogenic nature of the substance.
How to dispose of calcium dioxido(dioxo)chromium appropriately?
Calcium dioxido(dioxo)chromium disposal must comply with hazardous waste regulations due to its carcinogenic and environmentally hazardous classification. The substance cannot be disposed of in regular waste streams and requires specialized hazardous waste treatment facilities. Contact licensed waste disposal companies experienced in handling chromium compounds. Neutralization or chemical treatment may be required before final disposal. Always consult local environmental authorities for specific disposal requirements.
How to transport calcium dioxido(dioxo)chromium?
Calcium dioxido(dioxo)chromium is classified under ADR Class 9 (Miscellaneous Dangerous Substances), Packing Group III for transportation purposes. It must be packaged in UN-approved containers with appropriate hazard labels including GHS08, GHS07, and GHS09 pictograms. Transport documentation must include proper shipping names and hazard classifications. Only authorized carriers experienced in hazardous material transport should handle shipments of this carcinogenic substance.
Is calcium dioxido(dioxo)chromium subject to specific regulations?
Calcium dioxido(dioxo)chromium is subject to extensive regulatory oversight under REACH and CLP regulations in Europe due to its Category 1B carcinogenic classification. It requires safety data sheets, exposure scenarios, and registration for commercial use. Workplace exposure limits and occupational health monitoring are mandatory. The substance may be subject to authorization requirements and use restrictions. Compliance with national carcinogen handling regulations is essential for legal commercial use.
Where to buy calcium dioxido(dioxo)chromium in Europe?
Calcium dioxido(dioxo)chromium is available through OYSI, a European distributor specializing in technical chemicals and hazardous substances. OYSI provides this regulated chemical compound to qualified industrial customers with appropriate licensing and safety capabilities. Due to its carcinogenic classification, purchase requires verification of proper handling facilities, trained personnel, and compliance with regulatory requirements. Contact OYSI directly for availability, technical specifications, and regulatory documentation.
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Data Sources
Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.