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Sodium bromide

Physical and chemical properties Solubility in water (g/100ml) Toxicity Chemical Properties Uses Production method
Sodium bromide
Sodium bromide structure
CAS No.
7647-15-6
Chemical Name:
Sodium bromide
Synonyms
NaBr;BROMIDE;Sedoneural;bromnatrium;SODIUM BROMID;Sodum bromide;Sodiumbomide ;Natriumbromid;SODIUM BROMIDE;NATRIUM BROMIDE
CBNumber:
CB3181001
Molecular Formula:
NaBr
Formula Weight:
102.89
MOL File:
7647-15-6.mol

Sodium bromide Properties

Melting point:
755 °C(lit.)
Boiling point:
1390 °C
Density 
3,203 g/cm3
vapor pressure 
1 mm Hg ( 806 °C)
refractive index 
1.6412
Flash point:
1390°C
storage temp. 
Store at room temperature.
solubility 
H2O: 1 M at 20 °C, clear, colorless
form 
Powder
Specific Gravity
3.21
color 
White
PH
5.74 (430g/l, H2O, 22.5℃)
Water Solubility 
905 g/L (20 ºC)
Sensitive 
Hygroscopic
λmax
λ: 260 nm Amax: 0.01
λ: 280 nm Amax: 0.01
Merck 
14,8594
BRN 
3587179
Stability:
Stable. Incompatible with strong acids. Hygroscopic.
InChIKey
JHJLBTNAGRQEKS-UHFFFAOYSA-M
CAS DataBase Reference
7647-15-6(CAS DataBase Reference)
NIST Chemistry Reference
Sodium bromide(7647-15-6)
EPA Substance Registry System
Sodium bromide (NaBr)(7647-15-6)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  24/25-25-36-26-22
WGK Germany  1
RTECS  VZ3150000
3
TSCA  Yes
HS Code  28275100
Hazardous Substances Data 7647-15-6(Hazardous Substances Data)
Toxicity LD50 orally in rats: 3.5 g/kg (Smith, Hambourger)
Symbol(GHS):
Signal word:
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H303 May be harmfulif swallowed Acute toxicity,oral Category 5 P312
Precautionary statements:

Sodium bromide price More Price(41)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 220345 Sodium bromide ReagentPlus , ≥99% 7647-15-6 2.5kg $206 2018-11-13 Buy
Sigma-Aldrich 1613597 Sodium bromide United States Pharmacopeia (USP) Reference Standard 7647-15-6 1g $348 2018-11-13 Buy
Alfa Aesar 010860 Sodium bromide, Puratronic?, 99.9955% (metals basis) 7647-15-6 100g $461 2018-11-16 Buy
Alfa Aesar 010860 Sodium bromide, Puratronic?, 99.9955% (metals basis) 7647-15-6 25g $138 2018-11-16 Buy
Strem Chemicals 93-1120 Sodium bromide, 99+% (ACS) 7647-15-6 2kg $195 2018-11-13 Buy

Sodium bromide Chemical Properties,Uses,Production

Physical and chemical properties

At room temperature, sodium bromide is a colorless cubic crystal or white granular powder, and belongs to isometric system. It is odorless, and has slightly bitter and briny taste but high toxicity. It is easily to absorb moisture and caking but without deliquescence. It is slightly soluble in alcohol and easily soluble in water (at 100 °C, the solubility in 100ml water solubility is 121g), its aqueous solution is neutral with electronic conductivity. The anhydrous sodium bromide crystal will be precipitated out at 51°C with dihydrate compound forming at temperature lower than 51 °C. Its bromide ion can be substituted by fluorine, and chlorine. Under acidic conditions, it can be oxidized by oxygen and release free bromine; this process is taken advantage of by industry for producing bromine. It can have reaction with dilute sulfuric acid to produce hydrogen bromide. However, hydrobromic acid is a strong acid which can’t be produced through the reaction with dilute sulfuric acid and can only made through high-boiling point acid to make low-boiling point acid. However, we should avoid to use concentrated sulfuric acid which has strong oxidation effect and thus converting bromine (-1) into bromine element and release reddish-brown gas. This method can be used to identify sodium iodide (Heating sodium iodide and concentrated sulfuric acid together will release red-purple gases), Thereby, we can only take the concentrated phosphoric acid together with sodium bromine for heating to produce hydrogen bromine.
Bromide ions can enhance the inhibitor process of brain cortex, and promote their concentration. Therefore, medically it can be used as tranquilizers, and hypnotic or anticonvulsant drugs. When human swallow or inhale the compounds, it will cause harm to central nervous system, brain, and eye while causing irritation response of skin, eyes and also the respiratory tract.

Solubility in water (g/100ml)

Solubility (grams) per 100 ml of water at different temperatures:
80.2g/0 ℃; 85.2g/10 ℃; 90.8g/20 ℃; 98.4g/30 ℃; 107g/40 ℃
118g/60 ℃; 120g/80 ℃; 121g/90 ℃; 121g/100 ℃

Toxicity

We should prevent its ingestion and inhalation; avoid the contact of eye and skin with it. If intake or inhalation happens, adverse reactions include dizziness, nausea, and vomiting can occur. In these cases, we should immediately consult a doctor for treatment. Upon being splashed in the eyes, we should immediately rinse with fresh water for 20 min; upon skin contact with sodium bromide, we should also rinse with plenty of water.
The above information is edited by the chemicalbook of Dai Xiongfeng.

Chemical Properties

Sodium bromide is a colorless cubic crystal or white granular powder. It is odorless, and has slightly bitter and briny taste but high toxicity. It is easily soluble in water (at 100 °C, the solubility in 100ml water solubility is 121g), but slightly soluble in alcohol.

Uses

1. It can be used as raw material in the preparation of liquid photographic film; medically as sedative, the brominating agent in printing and dyeing; it can also be used in synthetic fragrances and other chemicals.
2. Photographic industry applies it for the preparation of liquid photosensitive film. It is medically used for the production of diuretics and sedatives. Perfume industry uses it for the production of synthetic fragrances. Printing and dyeing industry use it as a brominating agent. In addition, it can be also be used for organic synthesis and so on.
3. It is used for the photographic industry, spices, pharmaceutical and printing industries.
4. It is used for the reagents for analysis, and can also be used for the synthesis of inorganic and organic compounds and pharmaceutical industry.
5. It is sued for photographic film, medicines, perfumes, dyes and other industries.
6. It can be applied to determination of trace cadmium and Manufacturing of bromide. It can also be applied to inorganic and organic synthesis, photogravure and pharmaceuticals.

Production method

Urea reduction: dissolve soda ash (sodium carbonate), urea in hot water, and fed into the reactor; gradually add bromine for reaction and generate sodium bromide. Then further add active carbon for decolorization; further undergo filtration, evaporation, crystallization, centrifugal separation, and drying to obtain sodium bromide products. The reaction is as following:
3Br2 + 3Na2CO3 + NH2CONH2 → 6NaBr + 4CO2 ↑ + N2 ↑ + 2H2O
Neutralization method: add about 40% hydrobromic acid into the reactor, stir and slowly add 40% caustic solution for neutralization to Ph 7.5~8 for generating sodium bromide; after isolated by centrifugation, evaporation, crystallization and centrifuged again separation, then we can obtain the final product of sodium bromide. the reaction is:
HBr + NaOH → NaBr + H2O

Chemical Properties

Sodiumbromide, NaBr,is a white, hygroscopic, crystalline solid with a bitter, saline taste.It is water soluble,with a melting point of 758°C (1400 OF). Sodium bromide is used in medicine as a sedative and in photography in the preparation of silver bromide emulsion on photographic plates or films.

Uses

In photography.

Definition

ChEBI: An inorganic sodium salt having bromide as the counterion.

Definition

sodium bromide: A white crystallinesolid, NaBr, known chiefly asthe dihydrate (monoclinic; r.d. 2.17),and as the anhydrous salt (cubic; r.d.3.20; m.p. 747°C; b.p. 1390°C). The dihydrateloses water at about 52°Cand is very slightly soluble in alcohol.Sodium bromide is prepared by thereaction of bromine on hot sodiumhydroxide solution or of hydrogenbromide on sodium carbonate solution.It is used in photographic processingand in analytical chemistry.

Hazard

Toxic by inhalation and ingestion.

Safety Profile

Moderately toxic by ingestion. Experimental reproductive effects. Incompatible with acids, alkaloidal and heavy-metal salts. When heated to decomposition it emits toxic fumes of Brand NazO. See also BROMIDES.

Purification Methods

Crystallise the bromide from water (0.86mL/g) between 50o and 0o, and dry it at 140o under vacuum (this purification may not eliminate chloride ion).

Sodium bromide Preparation Products And Raw materials

Raw materials

Preparation Products


Sodium bromide Suppliers

Global( 370)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Shenzhen Sendi Biotechnology Co.Ltd.
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0755-23311925 Abel@chembj.com CHINA 3203 55
Henan DaKen Chemical CO.,LTD.
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View Lastest Price from Sodium bromide manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-08-15 Sodium bromide
7647-15-6
US $1.00 / KG 1G 98% 100KG career henan chemical co

Sodium bromide Spectrum


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