SILVER CHROMATE
- Product Name
- SILVER CHROMATE
- CAS No.
- 7784-01-2
- Chemical Name
- SILVER CHROMATE
- Synonyms
- SILVER CHROMATE;SILVER(I) CHROMATE;Silverchromate,99%;Silver chromate 98%;Silver Chromate(VI);Silver Chromate Min;silver(I) chromate(VI);SILVER CHROMATE REAGENT;Silver chromate,99%,pure;Silver(I)chromate,99%min
- CBNumber
- CB9211405
- Molecular Formula
- AgCrH2O4
- Formula Weight
- 225.88
- MOL File
- 7784-01-2.mol
SILVER CHROMATE Property
- Density
- 5.625 g/mL at 25 °C (lit.)
- form
- Powder
- Specific Gravity
- 5.625
- color
- Red-brown
- Water Solubility
- Slightly soluble in water. Soluble in HNO<sub>3</sub> and ammonia
- Sensitive
- Light Sensitive
- Merck
- 14,8510
- Solubility Product Constant (Ksp)
- pKsp: 11.95
- Exposure limits
- OSHA: Ceiling 0.1 mg/m3
NIOSH: IDLH 15 mg/m3; TWA 0.0002 mg/m3 - Stability:
- Stable. but light-sensitive and hygroscopic.
- CAS DataBase Reference
- 7784-01-2(CAS DataBase Reference)
- EPA Substance Registry System
- Chromic acid (H2CrO4), disilver(1+) salt (7784-01-2)
Safety
- Hazard Codes
- O,T,N
- Risk Statements
- 8-43-49-50/53
- Safety Statements
- 17-45-53-61-60
- RIDADR
- 3087
- WGK Germany
- 3
- TSCA
- Yes
- HazardClass
- 5.1
- PackingGroup
- III
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H272May intensify fire; oxidizer
H317May cause an allergic skin reaction
H350May cause cancer
H410Very toxic to aquatic life with long lasting effects
- Precautionary statements
-
P201Obtain special instructions before use.
P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P273Avoid release to the environment.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352IF ON SKIN: wash with plenty of soap and water.
P308+P313IF exposed or concerned: Get medical advice/attention.
N-Bromosuccinimide Price
- Product number
- 227897
- Product name
- Silver chromate
- Purity
- 98%
- Packaging
- 50g
- Price
- $281
- Updated
- 2024/03/01
- Product number
- 227897
- Product name
- Silver chromate
- Purity
- 98%
- Packaging
- 10g
- Price
- $79.9
- Updated
- 2023/06/20
- Product number
- 040107
- Product name
- Silver chromate, 99% min
- Packaging
- 25g
- Price
- $190.65
- Updated
- 2024/03/01
- Product number
- 040107
- Product name
- Silver chromate, 99% min
- Packaging
- 100g
- Price
- $705.65
- Updated
- 2024/03/01
- Product number
- 93-4745
- Product name
- Silver chromate, 99%
- Packaging
- 10g
- Price
- $65
- Updated
- 2024/03/01
SILVER CHROMATE Chemical Properties,Usage,Production
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.]