Basic information
- Name:
Sodium bromate
- CAS No.:
7789-38-0
- Molecular Structure:
- Formula:
- NaBrO3
- Molecular Weight:
- 150.90
- Deleted CAS:
- 38869-75-9|38869-76-0
- Synonyms:
- Neutralizer K-938;Sodium bromate(DOT);Neutralizer K-140;Sodium bromate (NaBrO3);Bromate de sodium;Sodium bromate [UN1494] [Oxidizer];Bromic acid, sodium salt;Dyetone;Sodium Bromide, Crude;Neutralizer K-126;Bromate de sodium [French];
- EINECS:
- 232-160-4
- Density:
- 3.339 g/cm3
- Melting Point:
- 381 °C
- Boiling Point:
- 1390 °C
- Solubility:
- 364 g/L (20 °C) in water
- Appearance:
- colorless or white solid odorless
- Hazard Symbols:
O,
Xn,
Xi- Risk Codes:
- 8-22-36/37/38-9
- Safety Description:
- 17-26-36/37/39 Details
- Transport Information:
- UN 1494 5.1/PG 2
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Chemistry
IUPAC Name: Sodium bromate
Synonyms of Sodium bromate (CAS NO.7789-38-0): Bromate de sodium ; Bromic acid, sodium salt ; Bromic acid, sodium salt (1:1)
CAS NO: 7789-38-0
The Molecular formula: NaBrO3
The Molecular Weight: 150.89
Molecular Structure : 
EINECS: 232-160-4
H bond acceptors: 3
H bond donors: 1
Freely Rotating Bonds: 0
Polar Surface Area: 54.37 Å2
Melting point: 381 °C
Boiling point: 1390 °C
Density: 3.339 g/cm3
Water Solubility: 364 g/L (20 °C)
Appearance: colorless or white solid odorless
Stability: Stable. Oxidizer. Incompatible with finely powdered metals, alcohols, strong acids, strong reducing agents
Product Categories: Inorganic Chemicals;Inorganics;Analytical Reagents for General Use;Puriss p.a.;Q-S, Puriss p.a.;Inorganic Salts;Synthetic Reagents
SMILES: [Na+].[O-]Br(=O)=O
InChI: InChI=1/BrHO3.Na/c2-1(3)4;/h(H,2,3,4);/q;+1/p-1
InChIKey: XUXNAKZDHHEHPC-REWHXWOFAY
Std. InChI: InChI=1S/BrHO3.Na/c2-1(3)4;/h(H,2,3,4);/q;+1/p-1
Std. InChIKey: XUXNAKZDHHEHPC-UHFFFAOYSA-M
Uses
Sodium bromate (CAS NO.7789-38-0) is a strong oxidant. It is mainly used in continuous or batch dyeing processes involving sulfur or vat dyes and as a hair-permagent, chemical agent, or gold solvent in gold mines when used with sodium bromide.
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| dog | LDLo | subcutaneous | 120mg/kg (120mg/kg) | BEHAVIORAL: MUSCLE WEAKNESS LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION BLOOD: OTHER CHANGES | Skandinavisches Archiv fuer Physiologie. Vol. 30, Pg. 337, 1913. |
| guinea pig | LDLo | subcutaneous | 100mg/kg (100mg/kg) | LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION BLOOD: OTHER CHANGES KIDNEY, URETER, AND BLADDER: HEMATURIA | Skandinavisches Archiv fuer Physiologie. Vol. 30, Pg. 337, 1913. |
| mouse | LD50 | intraperitoneal | 140mg/kg (140mg/kg) | Comptes Rendus Hebdomadaires des Seances, Academie des Sciences. Vol. 257, Pg. 791, 1963. | |
| rabbit | LDLo | intravenous | 360mg/kg (360mg/kg) | LUNGS, THORAX, OR RESPIRATION: DYSPNEA GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" BLOOD: OTHER CHANGES | Skandinavisches Archiv fuer Physiologie. Vol. 30, Pg. 337, 1913. |
| rabbit | LDLo | oral | 250mg/kg (250mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BLOOD: OTHER CHANGES GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" | Skandinavisches Archiv fuer Physiologie. Vol. 30, Pg. 337, 1913. |
| women | TDLo | oral | 150mg/kg (150mg/kg) | SENSE ORGANS AND SPECIAL SENSES: CHANGE IN ACUITY: EAR BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) KIDNEY, URETER, AND BLADDER: URINE VOLUME DECREASED | Journal of the Formosan Medical Association. Vol. 92(Suppl, |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Safety Information about Sodium bromate (CAS NO.7789-38-0):
The Hazard Codes: 
O, 
Xn,Xi
The Risk Statements: 8-22-36/37/38-9
8: Contact with combustible material may cause fire
9: Explosive when mixed with combustible material
22: Harmful if swallowed
36/37/38: Irritating to eyes, respiratory system and skin
The Safety Statements: 17-26-36/37/39
17: Keep away from combustible material
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
RIDADR: UN 1494 5.1/PG 2
WGK Germany: 3
RTECS: VZ3150000
F: 3
Hazard Note: Oxidising Agent/Harmful
HazardClass: 5.1
PackingGroup: II
Poison by ingestion, intravenous, subcutaneous, and intraperitoneal routes. A powerful oxidizer. Violent reactions with Al, As, C, Cu, oil, F2, metal sulfides, organic matter, P, S. Mixtures with grease are shock-sensitive explosives at 120°C. When heated to decomposition it emits toxic fumes of Na2O and Br−. See also BROMATES.
Standards and Recommendations
DOT Classification: 5.1; Label: Oxidizer
Specification
General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Substance is noncombustible.
Extinguishing Media: Use extinguishing media most appropriate for the surrounding fire.
Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Storage: Store in a cool, dry place. Store in a tightly closed container.