Sodium chromate
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Category：Pharmaceutical Materials Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
CAS Number: 7775-11-3
Molecular Formula: Na2CrO4
Molecular Weight: 161.98 g/mol
Appearance: Yellow crystals or powder
Melting Point: 792°C
Density: 2.723 g/mL (at 25°C)
Solubility: Soluble in water and methanol, slightly soluble in ethanol
Usage: Used in the production of dyes, pigments, and as an oxidizing agent.
| Category | Information |
|---|---|
| Basic Information | |
| Chemical Name | Sodium chromate |
| Other Names | Sodium chromate(VI); Disodium chromate; Chrome soda |
| CAS Number | 7775-11-3 |
| EINECS Number | 231-889-5 |
| Chemical Formula | Na2CrO4 |
| Molar Mass | 161.973 g/mol |
| Physical Properties | |
| Appearance | Yellow crystalline powder |
| Odor | Odorless |
| Density | Approximately 2.723 g/cm³ |
| Melting Point | 792°C |
| Solubility | Highly soluble in water; soluble in methanol; slightly soluble in ethanol |
| Chemical Properties | |
| pH (Aqueous Solution) | Alkaline |
| Oxidation State of Chromium | +6 |
| Reactivity | Acts as a strong oxidizing agent; reacts with reducing agents to form chromium(III) compounds |
| Applications | |
| Industrial Use | Used in inks, paints, pigments, metal corrosion inhibitors, organic synthesis as an oxidant, tanning leather, textile dyeing, and as a rust inhibitor in concrete admixtures |
| Analytical Use | Used as a reagent in analytical chemistry |
| Safety Information | |
| Hazards | Irritating to skin, eyes, and respiratory system; toxic if ingested or inhaled; may cause sensitization by inhalation and skin contact; may cause heritable genetic damage |
| Safety Precautions | Wear appropriate protective clothing, gloves, and eye protection; avoid contact with skin, eyes, and clothing; use in a well-ventilated area; store in a cool, dry place away from heat, sparks, and open flames |
| First Aid Measures | In case of skin contact, remove contaminated clothing and rinse skin with plenty of water; in case of eye contact, rinse eyes with water for at least 15 minutes and seek medical attention; if ingested, do not induce vomiting, seek medical attention immediately, and show the container or label |
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