Food additive sodium meta-bisulphite
1. Standard: QB 1893-1998
2. Range of Applications: Mainly used as perservative, bleaching agent and loosening agent in food industry.
3. Specifications:
(1)Appearance: white or yellowish crystalline powder.
(2)Specifications:
Item |
Index |
Assay(Na2S2O3) % ≥ |
95.0 |
Fe content(Fe) % ≤ |
0.005 |
Clarity |
slightly turbid |
Heavy metal (Pb) % ≤ |
0.001 |
Arsenic content(As) % ≤ |
0.0002 |
4. Other Info.
(1)Molecular Formula: Na2S2O3
(2)Relative Molecular Weight: 190.12
(3)Properties: white or yellowish monoclinic system column crystal or crystalline powder with strong reducing power. Relative Density 1.4; soluble in water; will be decomposed at 150°C; slightly soluble in alcohol, insoluble in benzene, soluble in glycerol.
(4)Hygienic License No.: ZWST(2002)No.018. Effective period: Dec. 27, 2002--Dec. 27,2006.
(5)Product Code: 82900001180210
(6)CSDS Code: CSDS/LS 1.2-2002
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