Chromium(III) fluoride CAS# 7788-97-8

Chromium(III) fluoride CAS# 7788-97-8, Promotion Season Now in Store and Free Sample for Testing with Factory Price
  • Appearance: Green powder or crystal
  • Assay: 99. 00%
  • Packaging: 25kg/fiber drum
  • Sample: Available

Quality Control of Chromium(III) fluoride

Chemical Structure
Chromium(III) fluoride CAS# 7788-97-8
Packing of Chromium(III) fluoride

Description of Chromium(III) fluoride

Chromium(III) fluoride is the name for the inorganic compounds with the chemical formula CrF3 as well as several related hydrates. The compound CrF3 is a green crystalline solid that is insoluble in common solvents, but the coloured hydrates [Cr(H2O)6]F3 and [Cr(H2O)6]F3•3H2O are soluble in water. The trihydrate is green, and the hexahydrate is violet. The anhydrous form sublimes at 1100–1200°C.

Basic Info of Chromium(III) fluoride

Basic Info

Chemical Name

Chromium(Iii) Fluoride

Synonyms

chromium(3+),trifluoride;

CAS No.

7788-97-8

Molecular Formula

CrF3

Molecular Weight

108.99100

PSA

0.00000

LogP

-8.98800

Safety Info

RTECS

GB6125000

Hazard Class

8

Safety Statements

S26; S27; S28; S36/37/39; S45

Packing Group

II

WGK Germany

3

RIDADR

UN 1756 8

Risk Statements

R20/21/22

Symbol

GHS05, GHS07

Supplemental Hazard Statements

Contact with water liberates toxic gas.

Caution Statement

P260; P280; P301 + P312 + P330; P303 + P361 + P353; P304 + P340 + P310; P305 + P351 + P338 + P310

Signal Word

Danger

Hazard Declaration

H302 + H312 + H332; H31

Properties

Appearance & Physical State

green pwdr.

Density

3.8 g/mL at 25ºC(lit.)

Boiling Point

19.5ºC at 760 mmHg

Melting Point

1000ºC

Numbering system

UNII

YK57ASE6UA

 

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What is Chromium(III) fluoride?

With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is Chromium(III) fluoride which has developed particularly rapidly in recent years. Do you know about Chromium(III) fluoride?

 

The official answer: Chromium trifluoride (CrF3) has a molecular weight of 109.01, a green powder or crystalline appearance, a boiling point of 1100-1200°C, and a melting point greater than 1000°C. It is insoluble in water, insoluble in alcohol, slightly soluble in acid, and soluble in hydrofluoric acid. Relative density (water=1) is 3.78.Low solubility, low acute toxicity caused by chromium. Due to the decomposition to generate toxic gases such as hydrogen fluoride, it must be noted that it is toxic and corrosive. Patients who inhale the vapor should be removed from the contaminated area, placed at rest, and kept warm. If eyes are irritated, rinse with water for 15 min. rinse with water and wash thoroughly with soap if skin contact occurs. Rinse the mouth immediately if accidentally ingested, and send to hospital urgently for treatment.

What’s the application of Chromium(III) fluoride?

Dyeing of wool, moth-proofing of woolen fabrics. Halogenated catalyst . Marble hardening and coloring agent. General reagent. Used as the catalyst, colorant, etc.

Synthesis method:

Chromium hydroxide is added to a reactor containing distilled water, heated under stirring, and slowly added to hydrofluoric acid for reaction to produce chromium fluoride solution, which is evaporated and concentrated, cooled, and crystallized, centrifuged and separated, and dried to produce finished chromium fluoride. The chemical equation is.

Cr(OH)3+3HF→CrF3+3H2O

Emergency treatment and disposal method:

Ⅰ. Leakage emergency treatment

Isolate the leaking contaminated area and restrict access. It is recommended that emergency personnel wear self-absorbing filtered dust masks and anti-acid and alkaline work clothes. Do not touch the spill directly. The small amount of leakage: avoid dust, collected in a dry, clean, covered container with a clean and clear shovel. Large spills: Cover with plastic sheeting and canvas to reduce fly-away. Then collect and recycle or transport to waste disposal sites for disposal.

Ⅱ. protective measures

Respiratory protection: When the concentration of dust in the air exceeds the standard, it is recommended to wear a self-absorbing filtered dust mask.

Eye protection: Wear safety glasses.

Protective clothing: Wear anti-corrosion work clothes.

Hand protection: Wear chemical-resistant gloves.

Other: Smoking, eating, and drinking are prohibited in the workplace, and hands should be washed before meals. Maintain good hygiene habits. Implement pre-employment and regular medical examinations.

III. First-aid measures

Skin contact: Immediately remove contaminated clothing and rinse with plenty of running water for at least 15 minutes. Seek medical attention.

Eye contact: Immediately lift eyelids and rinse thoroughly with plenty of running water or saline for at least 15 minutes. Seek medical attention.

INHALATION: Quickly remove from the scene to fresh air. Keep airway open. If breathing is difficult, give oxygen infusion. If breathing stops, give immediate artificial respiration. Seek medical attention.

Ingestion: Rinse mouth with water, drink milk or egg white if accidentally ingested, and seek medical attention immediately.

Fire extinguishing methods: extinguishing agents: water, carbon dioxide, sand, and earth.

Conclusion

Sincere to the customer and in good faith of quality is our forever followed motto. It’s the basement to be a human and do business. We take all responsibility for our products and service sincerely. We are a company integrating R&D, production, and sales. The design, research, and development of pharmaceutical intermediates including more than 330 kinds of pharmaceutical intermediates such as Anti-infectives, Cardiovascular and Cerebrovascular Systems, Digestive System, Santi-tumor, Nervous System, Geriatric Drugs, and Gynecological Drugs. At the same time, we have more than 4,000 factories in strategic cooperation with nearly 50,000 chemical products, so we can provide you with a one-stop purchasing service, which greatly saves customers’ procurement costs and time.

Hello, I’m Pew Ni, the chemical products one-stop solution expert.

Hi, I‘m Peter Ni, the founder of Sincere-Chem, I’ve been running a company in China that exporting chemicals, pharmaceuticals, and intermediates for over 70 countries now. And a range of 50,000 products with the best quality and competitive price to meet your different purchasing needs.

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