CHROMIUM(III) CHLORIDE PURE
Chromic Chloride hexahydrate
CAS: 10060-12-5
Molecular Formula: Cl3CrH12O6
CHROMIUM(III) CHLORIDE PURE - Names and Identifiers
CHROMIUM(III) CHLORIDE PURE - Physico-chemical Properties
| Molecular Formula | Cl3CrH12O6 |
| Molar Mass | 266.45 |
| Density | 1.76g/mLat 25°C(lit.) |
| Melting Point | 83 °C |
| Water Solubility | Soluble in water and alcohol. Insoluble in diethyl ether. |
| Solubility | Soluble in water, soluble in ethanol, insoluble in ether. |
| Appearance | Purple crystal |
| Specific Gravity | 1.76 |
| Color | Reddish-violet |
| Exposure Limit | NIOSH: IDLH 25 mg/m3; TWA 0.5 mg/m3 |
| Merck | 14,2222 |
| PH | 2.0-3.0 |
| Storage Condition | Inert atmosphere,Room Temperature |
| Stability | Stable, but may be air-sensitive. Hygroscopic. Incompatible with lithium, nitrogen, strong oxidizing agents. |
| Sensitive | Hygroscopic |
| MDL | MFCD00149660 |
| Physical and Chemical Properties | Purple monoclinic crystals. The relative density was 1.76. Melting point 83. Soluble in water, ethanol, acetone-soluble, insoluble in ether. Deliquescence. Toxic! |
| Use | This product is for scientific research only and shall not be used for other purposes. |
CHROMIUM(III) CHLORIDE PURE - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R34 - Causes burns |
| Safety Description | S24/25 - Avoid contact with skin and eyes. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | UN3260 |
| WGK Germany | 1 |
| RTECS | GB5450000 |
| TSCA | Yes |
| HS Code | 28273985 |
| Hazard Class | 8 |
| Packing Group | III |
CHROMIUM(III) CHLORIDE PURE - Nature
Open Data Verified Data
dark green monoclinic crystal or crystalline powder. Melting point of 86~90 deg C; d 1.849. There are several isomers. The dark green monoclinic crystal is [CrC12-(H20)4] CI.2H2O, with a relative density of 1.849. The purple crystals were [Cr( H2 0)6]Cl3 and the light green crystals were [CrCI(H2O)s] CI2-H20. All isomers are highly deliquescent. Soluble in water, dilute solution is purple, concentrated solution is green. The pH of the 0. 2 mol/L solution was 2.4. Soluble in ethanol, acetone-soluble, almost insoluble in ether. Deliquescence. Non-flammable, with puncture, with sensitization. By high heat decomposition, release of toxic smoke.
Last Update：2024-01-02 23:10:35
CHROMIUM(III) CHLORIDE PURE - Preparation Method
Open Data Verified Data
In the sodium dichromate solution, sulfuric acid is added for acidification, while stirring, and then reducing agent is added for reduction reaction to obtain chromium sulfate, filtering, and making it react with soda ash to obtain chromium carbonate, then it is reacted with hydrochloric acid to obtain chromium chloride, which can be concentrated.
Last Update：2022-01-01 09:01:37
CHROMIUM(III) CHLORIDE PURE - Introduction
It is suitable as a raw material for various chromium-containing catalysts. This product can also be used as mordant, chromium additive, chromium reagent for trivalent chromium electroplating. It can also be used as a raw material for the production of other chromium salts and the manufacture of chromium-containing pigments.
Last Update：2022-10-16 17:11:24
CHROMIUM(III) CHLORIDE PURE - Use
Open Data Verified Data
used as mordant and catalyst.
Last Update：2022-01-01 09:01:38
CHROMIUM(III) CHLORIDE PURE - Safety
Open Data Verified Data
there may be sensitization, causing asthma-like attacks. It has a stimulating effect on the eyes, skin and mucous membranes. Store in a cool, dry, well-ventilated warehouse. Keep away from fire and heat source. Keep the container sealed. Prevent moisture and rain. It should be stored separately from oxidants, moist articles, edible chemical raw materials, etc.
Last Update：2022-01-01 09:01:38
CHROMIUM(III) CHLORIDE PURE - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| toxicity | see chromic anhydride. |
| use | printing and dyeing industry is used as mordant. The chemical industry is used to produce other chromium salts. The pigment industry is used to manufacture various chromium-containing pigments. Organic synthesis is used to make chromium-containing catalysts. Used for inorganic synthesis, also used as mordant, catalyst suitable as a raw material for various chromium-containing catalysts. This product can also be used as mordant, chromium additive, chromium reagent for trivalent chromium electroplating. It can also be used as a raw material for the production of other chromium salts and the manufacture of chromium-containing pigments. |
| Production method | Chromium carbonate method Add sodium dichromate solution to a lead-lined or glass-lined reactor with a stirrer, slowly add sulfuric acid under stirring for acidification, and then add molasses reducing agent for reduction reaction to generate chromium sulfate, filter, react chromium sulfate with soda ash to generate chromium carbonate, filter, wash with water, and then react with hydrochloric acid, to produce chromium trichloride. After concentration, release, cooling and curing, and crushing, a finished product of chromium trichloride is produced. Its 4Na2Cr2O7 16H2SO4 C8H12O6 → 4 Cr2(SO4)3 4Na2SO4 22H2O 6CO2 ↑ Cr2(SO4)3 3Na2CO3 → Cr2(CO3)3 3 Na2SO4Cr2(CO3)3 6HCl → 2CrCl3 3H2O 3CO2 ↑ |
| category | toxic substances |
| toxicity classification | poisoning |
| acute toxicity | oral administration-rat LD50: 1790 mg/kg; Abdominal cavity-mouse LD50: 285 mg/kg (refer to azobenzene) |
| flammability hazard characteristics | non-combustible; toxic chromium and chloride fumes are produced on the fire site; |
| storage and transportation characteristics | warehouse low temperature, ventilation, drying |
| fire extinguishing agent | water, carbon dioxide, dry powder, sand |
| occupational standard | TWA 0.5 mg (chromium)/m3 |
Last Update：2024-04-10 22:29:15
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View History
CHROMIUM(III) CHLORIDE PURE
1-Boc-哌啶-4-甲醛
芍药素-3-O-半乳糖苷氯化物
{[3-甲氧基-4-(2-甲基丙氧基)苯基]甲基}(丙基)胺盐酸盐
3-甲基吡咯烷-3-甲腈盐酸
non-ionic polyacrylamide
3,5-二氯-4-异丙氧基苯硼酸频那醇酯
2-(2,4-双(三氟甲基)苯基)吡啶CAT醛OG
1-溴-4-三甲基硅基苯
Phenyl propargyl sulphide, (Phenyl 2-propynyl sulphide)
1-Boc-哌啶-4-甲醛
芍药素-3-O-半乳糖苷氯化物
{[3-甲氧基-4-(2-甲基丙氧基)苯基]甲基}(丙基)胺盐酸盐
3-甲基吡咯烷-3-甲腈盐酸
non-ionic polyacrylamide
3,5-二氯-4-异丙氧基苯硼酸频那醇酯
2-(2,4-双(三氟甲基)苯基)吡啶CAT醛OG
1-溴-4-三甲基硅基苯
Phenyl propargyl sulphide, (Phenyl 2-propynyl sulphide)