溴化钠，ACS

Description

Sodium bromide is identified by CAS 7647-15-6, molecular formula NaBr and molecular weight 101.91 g/mol. UNII LC1V549NOM; ChEBI 63004; InChIKey JHJLBTNAGRQEKS-UHFFFAOYSA-M. Boiling Point: 1390 °C; Boiling Point: 1390 °C @760 [mm Hg]; Melting Point: 755 °C.

Identification

CAS Registry Number	7647-15-6
PubChem CID	253881
Molecular formula	NaBr
Molecular weight	101.91 g/mol
IUPAC name	sodium bromide
InChIKey	JHJLBTNAGRQEKS-UHFFFAOYSA-M
UNII (FDA)	LC1V549NOM
ChEBI ID	CHEBI:63004

Computed Descriptors

Molecular Weight	102.89
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	0
Exact Mass	101.90811
Monoisotopic Mass	101.90811
Topological Polar Surface Area	0
Heavy Atom Count	2
Formal Charge	0
Complexity	2

Physical & Chemical Properties

Boiling Point	1390 °C
Boiling Point	1390 °C @760 [mm Hg]
Melting Point	755 °C
Melting Point	747 °C
Density	3.21
Density	3.21 @25 °C
pH	pH = 6.5-8.0

Physical description & handling notes

• Dry Powder; Liquid; Liquid; Dry Powder; Other Solid
• White solid; Absorbs moisture from air (but not deliquescent); [Merck Index] Colorless or white hygroscopic solid; [HSDB] Colorless odorless crystalline solid; [MSDSonline]
• White crystals, granules, or powder
• White, cubic crystals
• Saline, feebly bitter taste
• Moderately soluble in alcohol

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS
GHS notification summary	22.6% (188 / 831)

GHS Hazard Classification

GHS notification summary	22.6% (188 / 831)
Reported hazard statements	H319 (11%), H336 (10.7%), H360 (53.2%), H361 (10.7%)

Documented Uses

• Found in some salt deposits; Used in photography, to make bromides and organic chemicals, as a therapeutic sedative and hypnotic, and formerly as a veterinary medicine; [HSDB] Used to control algae, bacteria, and fungi in water systems (pasteurizing, canning, pulp & paper manufacturing, and ornamental ponds); Also used to repel moths from clothing and fleas from pets; [Reference #1]
• Pulp and Paper Processing [Category: Industry]
• Photographic Processing [Category: Other]
• Photography, medicine (sedative), preparation of bromides
• THERAPEUTIC CATEGORY: Sedative, hypnotic, anticonvulsant
• THERAPEUTIC CATEGORY (VETERINARY): Sedative. Has been used to control convulsions, chorea, hysteria

Synonyms

SODIUM BROMIDE; 7647-15-6; Sedoneural; Bromide salt of sodium; Bromnatrium; Trisodium tribromide; Sodium bromide (NaBr); NaBr; Caswell No. 750A; Natrum bromatum; DTXSID3034903; LC1V549NOM; NSC-77384; DTXCID1014903; CHEBI:63004; bromosodium

Frequently Asked Questions

What are the CAS number and molecular formula of Sodium bromide?

CAS 7647-15-6; molecular formula NaBr; molecular weight 101.91 g/mol.

What other names is Sodium bromide known by?

SODIUM BROMIDE, 7647-15-6, Sedoneural, Bromide salt of sodium, Bromnatrium, Trisodium tribromide.

What is the regulatory status of Sodium bromide?

Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS.

Is Sodium bromide classified as hazardous?

22.6% of GHS notifications report no hazard classification (188 of 831).

What are the key physical properties of Sodium bromide?

Boiling Point: 1390 °C; Boiling Point: 1390 °C @760 [mm Hg]; Melting Point: 755 °C; Melting Point: 747 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.