Cadmium arsenide
cadmium arsenide
CAS: 12006-15-4
Molecular Formula: As2Cd3
Cadmium arsenide - Names and Identifiers
| Name | cadmium arsenide |
| Synonyms | CADMIUM ARSENIDE Cadmium arsenide cadmium arsenide arsenic(-3) anion CADMIUM ARSENIDE cadmium(+2) cation tricadmium diarsenide Tricadmium diarsenide cadmiumarsenide(cd3as2) Cadmium arsenide (Cd3As2) |
| CAS | 12006-15-4 |
| EINECS | 234-484-1 |
| InChI | InChI=1/2As.3Cd/q2*-3;3*+2 |
Cadmium arsenide - Physico-chemical Properties
| Molecular Formula | As2Cd3 |
| Molar Mass | 487.08 |
| Density | 3.031 |
| Melting Point | 721℃ |
| Solubility | Soluble in HNO3(nitric acid). |
| Appearance | pieces |
| Color | Dark gray |
| Exposure Limit | ACGIH: TWA 0.01 mg/m3; TWA 0.002 mg/m3NIOSH: IDLH 5 mg/m3; IDLH 9 mg/m3; Ceiling 0.002 mg/m3 |
| Sensitive | moisture sensitive |
Cadmium arsenide - Risk and Safety
| Risk Codes | R23/25 - Toxic by inhalation and if swallowed. R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S20/21 - S28 - After contact with skin, wash immediately with plenty of soap-suds. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 3077 9/PG 3 |
| WGK Germany | 3 |
| TSCA | Yes |
| Hazard Class | 6.1 |
| Packing Group | II |
Cadmium arsenide - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| overview | cadmium arsenide chemical formula Cd3As2. Molecular weight 487.04. Gray-black cubic crystal. Poisonous! Melting point 721 ℃, relative density 6.2115. Soluble in nitric acid, slightly soluble in hydrochloric acid, insoluble in water and aqua regia. AsH3 can be released in case of acid, and it can burn in case of oxidant. Preparation method: arsenic is applied to a weak ammonia solution of cadmium sulfate. If cadmium and arsenic are heated in an inert gas, the resulting cadmium arsenide product is a light red crystal with a non-ionic structure. Purpose: As a chemical reagent. |
Last Update：2024-04-10 22:29:15
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