Molecular Formula | CrH8Na2O8 |
Molar Mass | 234.03 |
Density | 2.73 |
Melting Point | 792℃ |
Water Solubility | Soluble in water. |
Appearance | Crystals |
Color | Yellow |
Odor | Odorless |
Exposure Limit | ACGIH: TWA 0.0002 mg/m3; STEL 0.0005 mg/m3 (Skin)OSHA: Ceiling 0.1 mg/m3NIOSH: IDLH 15 mg/m3; TWA 0.0002 mg/m3 |
Merck | 14,8601 |
PH | pH (10g/l, 25℃) : 8.0~10.0 |
Stability | Stable. Incompatible with strong reducing agents, combustible materials, strong acids. Deliquescent. |
Sensitive | Hygroscopic |
Physical and Chemical Properties | Yellow translucent triclinic crystal or crystalline powder. soluble in water, slightly soluble in ethanol. |
Use | Mainly used in the manufacture of chemical reagents, chromium products and pigments |
Risk Codes | R45 - May cause cancer R46 - May cause heritable genetic damage R60 - May impair fertility R61 - May cause harm to the unborn child R21 - Harmful in contact with skin R25 - Toxic if swallowed R26 - Very Toxic by inhalation R34 - Causes burns R42/43 - May cause sensitization by inhalation and skin contact. R48/23 - R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
Safety Description | S53 - Avoid exposure - obtain special instructions before use. 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 3288 6.1/PG 2 |
WGK Germany | 3 |
RTECS | GB2958300 |
TSCA | Yes |
Hazard Class | 6.1 |
Packing Group | II |
Raw Materials | Sodium hydroxide Sodium Dichromate |