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Copper bromide (CuBr2)

Copper bromide (CuBr2) structure

Copper bromide (CuBr2) 

structure
  • CAS No:

    7789-45-9

  • Formula:

    Br2Cu

  • Chemical Name:

    Copper bromide (CuBr2)

  • Synonyms:

    Copper bromide (CuBr2);Cupric bromide;Copper(II) bromide;Copper dibromide

  • Categories:

    Inorganic Chemistry  >  Inorganic Salts

Description

Copper(II) bromide, CuBr2, [7789-45-9], MW 223.36, MP 498°C, d 4.77, is a black, deliquescent, monoclinic, crystalline material that obtains from warm aqueous solution. At temperatures below 29°C, the green tetrahydrate is produced. Copper(II) bromide is very soluble in water and soluble in alcohol and acetone. Black crystal


Copper(ii) bromide is an odorless black solid. Sinks and mixes with water. (USCG, 1999)


Copper(ii) bromide is an odorless black solid. Sinks and mixes with water. (USCG, 1999)

Copper bromide (CuBr2) Basic Attributes

223.35

220.76600

232-167-2

1KC430K0ZN

DTXSID7064863

Almost black, iodine like, monoclinic crystals or crystalline powder

2827590000

Characteristics

0

1.68870

Gray-blue Crystalline Powder

4.710 g/cm3 @ Temp: 20 °C

498 °C

900 °C

900°C

H2O: soluble

Store below +30°C.

LD50 orally in Rabbit: 536 mg/kg

Deliquescent

Deliquescent. Water soluble.

Salts, Acidic

Acidic inorganic salts, such as COPPER BROMIDE, are generally soluble in water. The resulting solutions contain moderate concentrations of hydrogen ions and have pH's of less than 7.0. They react as acids to neutralize bases. These neutralizations generate heat, but less or far less than is generated by neutralization of inorganic acids, inorganic oxoacids, and carboxylic acid. They usually do not react as either oxidizing agents or reducing agents but such behavior is not impossible. Many of these compounds catalyze organic reactions.

Safety Information

8

UN 3260 8/PG 3

3

22-34-36/37/38

26-36/37/39-45-24/25

C,Xi

Stable. Incompatible with alkali metals, moisture. Reacts violently with potassium.

P280-P305 + P351 + P338-P310

H302-H314

SRP: At the time of review, criteria for land treatment or burial (sanitary landfill) disposal practices are subject to significant revision. Prior to implementing land disposal of waste residue (including waste sludge), consult with environmental regulatory agencies for guidance on acceptable disposal practices.

MIXTURE /WITH/ POTASSIUM ... PRODUCES A WEAK EXPLOSION ON IMPACT ... .|Solutions of sodium hypobromite are decomposed by powerful catalytic action of cupric ions, even as impurities. /Cupric salts/

Special Hazards of Combustion Products: Irritating hydrogen bromide gas may form in fire. (USCG, 1999)

|Danger|H302 (98.33%): Harmful if swallowed [Warning Acute toxicity, oral]|P260, P264, P270, P273, P280, P301+P312, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P330, P363, P391, P405, and P501|Aggregated GHS information provided by 60 companies from 9 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Dust mask; goggles or face shield; protective gloves (USCG, 1999)

Recommended Exposure Limit: 10 Hr Time-Weighted Avg: 1 mg/cu m. /Copper (dusts and mists)/

Drug Information

Maternal Medication Usually Compatible with Breast-Feeding: Bromide: Rash, weakness, absence of cry with maternal intake of 5.4 g/d. /from Table 6/|Food and Environmental Agents: Effect on Breast-Feeding: Bromide (photographic laboratory): Potential absorption and bromide transfer into milk. /from Table 7/

Inhalation of dust causes irritation of throat and lungs. Ingestion of large amounts causes violent vomiting and purging, intense pain, collapse, coma, convulsions, and paralysis. Contact with solutions causes eye irritation; contact with solid causes severe eye surface injury and skin irritation. (USCG, 1999)

INHALATION: move to fresh air. INGESTION: give large amount of water; induce vomiting; get medical attention. EYES: flush with water for at least 15 min.; get medical attention if injury was caused by solid. SKIN: flush with water. (USCG, 1999)

Basic treatment: Establish a patent airway. Suction if necessary. Watch for signs of respiratory insufficiency and assist ventilations if necessary. Administer oxygen by nonrebreather mask at 10 to 15 L/min. Monitor for shock and treat if necessary ... . For eye contamination, flush eyes immediately with water. Irrigate each eye continuously with normal saline during transport ... . Do not use emetics. For ingestion, rinse mouth and administer 5 ml/kg up to 200 ml of water for dilution if the patient can swallow, has a strong gag reflex, and does not drool. Administer activated charcoal ... . /Copper and related compounds/|Advanced treatment: Consider orotracheal or nasotracheal intubation for airway control in the patient who is unconscious. Start an IV with lactated Ringer's /SRP: "To keep open", minimal flow rate/. Watch for signs of fluid overload. For hypotension with signs of hypovolemia, administer fluid cautiously. Consider vasopressors if hypotensive with a normal fluid volume. Watch for signs of fluid overload ... . Use proparacaine, hydrochloride to assist eye irrigation ... . /Copper and related compounds/

copper(II) bromide

Copper bromide (CuBr2) Use and Manufacturing

Methods of Manufacturing

Prepn: Watt et al, J Am Chem Soc 77, 2752 (1955); Glemser, Sauer in Handbook of Preparative Inorganic Chemistry, vol 2, G Brauer, ed Academic Press, New York, 2nd ed, 1965) p 1009.|Cupric oxide + hydrogen bromide, anhydrous (salt formation)|Prepared by dissolving copper(II) oxide in hydrobromic acid; it can also be prepared by the direct action of bromine water on metallic copper.

Uses

As intensifier in photography; as brominating agent in organic synthesis; as humidity indicator; as wood preservative; in solid-electrolyte battery; as stabilizer for acetylated polyformaldehyde.

Copper bromide (CuBr2): ACTIVE

Computed Properties

Molecular Weight:223.35
Exact Mass:222.76422
Monoisotopic Mass:220.76627
Heavy Atom Count:3
Complexity:2.8
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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