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13598-36-2 Phosphorous acid

product Name Phosphorous acid
CAS No 13598-36-2
Synonyms Phosphonic acid; hydrogen phosphonate; phosphorus(+3) trihydride cation trihydroxide; Orthophosphorus; Orthophosphorous acid; Ortho-Phosphorous acid
Molecular Formula H3PO3
Molecular Weight 81.9957
InChI InChI=1/3H2O.H3P/h3*1H2;1H3/q;;;+3/p-3
EINECS 237-066-7
Molecular Structure 13598-36-2 Phosphorous acid
Melting point 73℃
Water solubility SOLUBLE
Hazard Symbols  C:Corrosive;
Risk Codes R22:;
R35:;
Safety Description S26:;
S36/37/39:;
S45:;

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Specifications ¡Ý98.0% 98.5% 99.0%
Packing 25KG plastic woven bag (or according to customer design packing).
Description

Appearance: white crystal

Melting point: 73.6¡ãC

Boiling point: 200¡ãC (decomposition)

Solubility: soluble in water, alcohol, strong hygroscopicity.

Density: 1.651g/cm3 Hazardous characteristics: corrosive, thermal decomposition of the highly toxic gas.

Safety: Avoid and H blowing agent such as a total storage mixed operation is strictly prohibited contact with skin or eyes.

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Rudong Zhenfeng Yiyang Chemical CO.,LTD [ Gold Suppliers ]
Specifications 98.5%;99%
Packing Generally using paperboard barred with plastic bag inside,net weight 50kg.
Description

Content(%) ¡Ý98.5

Phorphate(%)¡Ü0.1

Chloride(%)¡Ü0.01

Sulphate(%)¡Ü0.006

Heavg(according to Pb%)¡Ü0.001

Iron(%)¡Ü0.002

Water-solubility test: excellent

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Specifications 99% MIN
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1Rudong Yongtai Chemical Co., Ltd.
2Taixing Auspicious Clouds Chemical Co., Ltd.(Jiangsu Guangming Chemical Co., Ltd.)
3Rudong Zhenfeng Yiyang Chemical CO.,LTD
4Suzhou Amber Chemical Co., Ltd.
5LIANYUNGANG CHEMIVIT INTERNATIONAL CO.,LTD
6Huzhou Shenda Chemical Co., Ltd.
7Yichang Chengkai Chemical Technology Co., Ltd.(Yichang Kaixiang Chemical Co.,Ltd.)
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