NIHON SEIKO CO., LTD.

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Data Sheet

Specifications

Compound name Antimony Antimony trioxide Antimony trisulfide Sodium antimonate trihydrate Sodium antimonate anhydrate Antimony trichloride Antimony pentachloride
Chemical formula Sb Sb2O3 Sb2S3
NaSbO3·3H2O NaSbO3 SbCl3 SbCl5
CAS Registry number 7440-36-0
1309-64-4 1345-04-6 33908-66-6 15432-85-6 10025-91-9 7647-18-9
EINECS number 231-146-5 215-175-0 215-713-4 251-735-0 239-444-7 233-047-2
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Existing and New Chemical Substances number - 1-543 1-567 1-506 1-506 1-256 1-256
UN Dangerous Goods number 2871 1549 1549 1549 1549 1733 1730
TSCA inventory on on on on on on on
IMDG
ICAO/IATA
6.1/III 6.1/III 6.1/III 6.1/III 6.1/III 8/II 8/II
These regulations are not applicable to antimony oxide, antimony sulfide, sodium antimonate, which contain less than 0.5% Arsenic,except metalic antimony powder.

Physical and Chemical Properties

Appearance,
Character
Powder,
Grain,
Reglus
White powder Black powder White
powder
White
powder
colorless deliquescence lump Yellow liquid
Molecular weight 121.75 291.5 339.7 246.7 192.7
228.1 299.0
Melting point 630 656 550 >180
(Dehydration)
- 73.4 2.8
Boiling point 1,380 1,425 1,180 1,427
(Decomposition)
1,427
(Decomposition)
223 140(70mmHg)
Vapor pressure 1.66(800℃) 5(625℃) 1.17(500℃) - - 13.7(100.2℃) 1.0(22.7℃)
Specific gravity 6.7 5.2 4.6 3.9 4.0 3.1 2.3
Electrical property 4.3mho/m Poor ND ND ND Poor Poor
Mohs hardness 3.0 2-2.5 ND ND ND ND ND
Solubility Water Insoluble Insoluble Insoluble Slightly Soluble
(Hot water)
Insoluble
Soluble Decomposition
HCl Insoluble Soluble Soluble Decomposition Decomposition Soluble Soluble
Alcohol Insoluble Insoluble Insoluble Insoluble
Insoluble
Soluble Soluble

*ND:No data

Japanese Regulations
Antimony trioxide, antimony tetraoxide, antimony trichloride, antimony pentachloride are nominated as hazardous materials other than pharmaceutical use by Poison and Harmful Substance Control Law (Japanese Law), therefore the sales, uses, handling of these materials shall be conducted in accordance with this law.

Precautions for handling
The materials should only be handled in a well ventilated place. Care should be taken not to inhale the material and a dust respirator should be worn . Wear suitable protection gear while handling material so as to prevent contact with eyes, mouth, and skin. Avoid eating, drinking, and smoking while handling this material. Immediately after working with these material, wash with soap and plenty water. Refer to the Material Safety Data Sheet, which is available on request.

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