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亚硫酸钠,Sodium sulfite;puriss., meets analytical specification of Ph. Eur., BP, NF, anhydrous, 95.0-100.0% (iodometric)

CAS号 7757-83-7 线性分子式 Na2SO3 分子量 126.04 EINECS 编号 231-821-4 MDL number MFCD00003503 PubChem Substance ID 329750185 NACRES NA.22
制造商品牌: 西格玛 Sigma-Aldrich
货号(SKU): 13471
CAS号: 7757-83-7
MDL号: MFCD00003503
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¥997.59

产品描述

包装

2.5 kg in poly bottle

500 g in poly bottle

性质

Quality Level  100
grade  puriss.
assay  95.0-100.0% (iodometric)
form  solid
quality  meets analytical specification of Ph. Eur., BP, NF
impurities  residual solvents, complies
 ≤0.001% heavy metals (as Pb)
 ≤0.05% thiosulfate (S2O3)
pH  9.0-10.5 (25 °C, 126 g/L)
anion traces  chloride (Cl-): ≤200 mg/kg
cation traces  Fe: ≤10 mg/kg
 Se: ≤10 mg/kg
 Zn: ≤10 mg/kg
suitability  complies for appearance of solution
SMILES string  [Na+].[Na+].[O-]S([O-])=O
InChI  1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
InChI key  GEHJYWRUCIMESM-UHFFFAOYSA-L


安全信息

补充危害声明 Contact with acids liberates toxic gas.
风险声明 (欧洲) 31
RIDADR NONH for all modes of transport
WGK德国 1
RTECS WE2150000
商品规格
属性名称属性值
储存温度 Storage temp.常温阴凉避光
全球实时库存 Availability √美国St. Louis ≥ 99 | 欧洲Eur. ≥ 10 | 東京Tokyo ≥ 22 | 香港与北京 ≥ 32
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