75699
草酸 二水合物
BioUltra, ≥99.0% (RT)
别名:
乙二酸
选择规格
关于此项目
grade
biotech. grade
Quality Segment
vapor density
4.4 (vs air)
vapor pressure
<0.01 mmHg ( 20 °C)
product line
BioUltra
assay
≥99.0% (RT)
form
crystals
impurities
insoluble matter, passes filter test, ≤0.001% total nitrogen (N)
ign. residue (900 °C)
≤0.01% (as SO4)
pH
~1.0 (25 °C, 1 M in H2O)
mp
104-106 °C (lit.)
solubility
H2O: 1 M at 20 °C, clear, colorless
anion traces
chloride (Cl-): ≤5 mg/kg, sulfate (SO42-): ≤50 mg/kg
cation traces
Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤5 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤2 mg/kg, K: ≤50 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg
absorption
cut-off at 303 nm in H2O at 1 M
SMILES string
[H]O[H].[H]O[H].OC(=O)C(O)=O
InChI
1S/C2H2O4.2H2O/c3-1(4)2(5)6;;/h(H,3,4)(H,5,6);2*1H2
InChI key
GEVPUGOOGXGPIO-UHFFFAOYSA-N
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1
存储类别
11 - Combustible Solids
wgk
WGK 1
ppe
dust mask type N95 (US), Eyeshields, Gloves