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品質等級
化驗
99-100.5% (calc with ref. to anhyd. subst.)
形狀
powder or crystals
品質
meets analytical specification of Ph. Eur., BP, FCC, E332
雜質
≤0.0005% heavy metals (as Pb)
4-6% water (Karl Fischer)
損耗
3-6 loss on drying, 180°C
pH值
7-9 (20 °C, 5%)
mp
275 °C (dec.) (lit.)
溶解度
glycerol: soluble 1 gm in 2.5 ml
water: soluble 1 gm in 0.65 ml
alcohol: insoluble
負離子痕跡
chloride (Cl-): ≤30 mg/kg
oxalate (as oxalic acid): ≤100 mg/kg
sulfate (SO42-): ≤50 mg/kg
正離子痕跡
As: ≤1 mg/kg
Cu: ≤10 mg/kg
Fe: ≤10 mg/kg
Hg: ≤1 mg/kg
Na: ≤3000 mg/kg
Pb: ≤1 mg/kg
Zn: ≤10 mg/kg
適合性
in accordance for appearance of solution
passes test for reaction against H2SO4
應用
pharmaceutical (small molecule)
SMILES 字串
O.[K+].[K+].[K+].OC(CC([O-])=O)(CC([O-])=O)C([O-])=O
InChI
1S/C6H8O7.3K.H2O/c7-3(8)1-6(13,5(11)12)2-4(9)10;;;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;;;1H2/q;3*+1;/p-3
InChI 密鑰
PJAHUDTUZRZBKM-UHFFFAOYSA-K
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應用
生化/生理作用
儲存類別代碼
11 - Combustible Solids
水污染物質分類(WGK)
WGK 1
閃點(°F)
Not applicable
閃點(°C)
Not applicable
個人防護裝備
Eyeshields, Gloves, type N95 (US)
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