| Identification | More | [Name]
SILVER CHROMATE | [CAS]
7784-01-2 | [Synonyms]
SILVER CHROMATE
SILVER(I) CHROMATE
chromicacid(h2cro4),disilver(1++)salt
Chromicacid,disilver(1+)salt
Silver(I)chromate,99%min
Silver chromate, pure, 99%
SILVER CHROMATE REAGENT
Silverchromate,99%
silver(I) chromate(VI)
Chromic acid disilver(I) salt | [EINECS(EC#)]
232-043-8 | [Molecular Formula]
Ag2CrO4 | [MDL Number]
MFCD00003402 | [Molecular Weight]
331.73 | [MOL File]
7784-01-2.mol |
| Safety Data | Back Directory | [Hazard Codes ]
O,T,N | [Risk Statements ]
R8:Contact with combustible material may cause fire.
R43:May cause sensitization by skin contact.
R49:May cause cancer by inhalation.
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment . | [Safety Statements ]
S17:Keep away from combustible material .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S53:Avoid exposure-obtain special instruction before use .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
S60:This material and/or its container must be disposed of as hazardous waste . | [RIDADR ]
3087 | [WGK Germany ]
3 | [TSCA ]
Yes | [HazardClass ]
5.1 | [PackingGroup ]
III |
| Hazard Information | Back Directory | [Chemical Properties]
crystalline powder | [Physical properties]
Red monoclinic crystals or brownish-red powder; density 5.625 g/cm3; insoluble in water; soluble in nitric acid, ammonia and solutions of alkali cyanides and chromates. | [Uses]
Catalyst for formation of aldol from alcohol; formed at end point of Mohr titration of halides. | [Preparation]
Silver chromate is prepared by slowly adding a solution of potassium chromate to a solution of silver nitrate:
2Ag+ (aq) + Cr4O2- (aq) → Ag2CrO4 (s)
The precipitate is washed with hot water. | [Purification Methods]
Wash the red-brown powder with H2O, dry it in a vacuum, then powder well and dry again in a vacuum at 90o/5hours. Its solubility in H2O is 0.0014% at 10o. Store it in the dark. [Cardillo & Shimizu J Org Chem 42 4268 1977.] |
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