12619
焦亚硫酸钾
puriss., meets analytical specification of Ph.Eur., BP, NF, FCC, E224, 95.0-101.0% (iodometric), powder, 51.8-57.6% sulfur dioxide
别名:
偏硫代硫酸钾, 偏重亚硫酸钾
登录 查看组织和合同定价。
选择尺寸
变更视图
关于此项目
线性分子式:
K2S2O5
化学文摘社编号:
分子量:
222.32
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
240-795-3
MDL number:
Assay:
95.0-101.0% (iodometric)
Form:
powder
grade
puriss.
Quality Level
assay
95.0-101.0% (iodometric)
form
powder
quality
meets analytical specification of Ph.Eur., BP, NF, FCC, E224
impurities
organic volatile impurities, complies (GC), residual solvents, in accordance, ≤0.001% heavy metals (as Pb), ≤0.08% thiosulfate (S2O3), 51.8-57.6% sulfur dioxide
pH
3.5-4.5 (20 °C, 5%)
anion traces
chloride (Cl-): ≤100 mg/kg
cation traces
As: ≤2 mg/kg, Cu: ≤20 mg/kg, Fe: ≤10 mg/kg, Hg: ≤1 mg/kg, Pb: ≤2 mg/kg, Se: ≤5 mg/kg, Zn: ≤20 mg/kg
suitability
in accordance for appearance of solution
SMILES string
[K+].[K+].[O-]S(=O)S([O-])(=O)=O
InChI
1S/2K.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
InChI key
RWPGFSMJFRPDDP-UHFFFAOYSA-L
Still not finding the right product?
Explore all of our products under 焦亚硫酸钾
signalword
Danger
supp_hazards
存储类别
11 - Combustible Solids
wgk
WGK 1
hcodes
Hazard Classifications
Eye Dam. 1 - Skin Irrit. 2
法规信息
新产品
此项目有
Hisayori Shigechi et al.
Applied and environmental microbiology, 70(8), 5037-5040 (2004-08-06)
Direct and efficient production of ethanol by fermentation from raw corn starch was achieved by using the yeast Saccharomyces cerevisiae codisplaying Rhizopus oryzae glucoamylase and Streptococcus bovis alpha-amylase by using the C-terminal-half region of alpha-agglutinin and the flocculation functional domain
Bindu Nair et al.
International journal of toxicology, 22 Suppl 2, 63-88 (2003-10-14)
Sodium Sulfite, Ammonium Sulfite, Sodium Bisulfite, Potassium Bisulfite, Ammonium Bisulfite, Sodium Metabisulfite, and Potassium Metabisulfite are inorganic salts that function as reducing agents in cosmetic formulations. All except Sodium Metabisulfite also function as hair-waving/straightening agents. In addition, Sodium Sulfite, Potassium
Gábor Vlád et al.
The Journal of organic chemistry, 67(18), 6550-6552 (2002-08-31)
A high-yield synthesis was developed for the preparation of 2,2'-bipyrimidine (1) using the Ullmann coupling of 2-iodopyrimidine. The new procedure was also used for the preparation of 4,4',6,6'-tetramethyl-2,2'-bipyrimidine (2) and 5,5'-dibromo-2,2'-bipyrimidine (3).
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 8146320250 | 04022536419664 |
| G2128-100G | 04061833628614 |
| 1294987-100MG | 04061833830475 |
| G2128-1KG | 04061826744796 |
| G2128-500G | 04061833007242 |
| 12619-1KG | 04061826723258 |
| EHU126191-20UG | 04061828594351 |
| EHU126191-50UG | 04061828358380 |