مشخصات فنی
| 2,3Dihydroxybutanedioic acid | Synonym |
|---|---|
|
87-69-4
|
CAS-No
|
|
201-766-0
|
EC-No
|
|
C4H6O6
|
Linear formula
|
|
Colourless to white crystal or crystalline powder
|
Appearance
|
|
1390 g/l (20ºC)
|
Solub. in H2O
|
|
1.6 (100 g/l, H2O, 25ºC)
|
pH value
|
|
150.08 g/mol
|
Molecular Weight
|
|
168-170ºC
|
Melting point
|
|
1.76 g/cm3
|
Spec. density
|
|
1000 Kg/m3
|
Bulk. Density
|
|
2918-12-00
|
HS-No
|
|
Eye irritation, Warning, H319, P305 + P351 + P338 LGK 10 - 13
|
GHS
|
|
Keep container tightly closed in a dry and well-ventilated place
|
Storage Conditions
|
|
≥99.7-100.5%
|
Assay (acidimetric; calculated on dried substance)
|
|
≥0.0001%
|
Arsenic (As)
|
|
≥0.0200%
|
Calcium (Ca)
|
|
≥0.0001%
|
Mercury (Hg)
|
|
≥0.0005%
|
Lead (Pb)
|
|
≥0.01%
|
Oxalate (as C2H2O4)
|
|
≥0.2%
|
Loss of drying (105 ºC)
|
|
≥0.0100%
|
Chloride (Cl)
|
|
≥0.0150%
|
Sulfate (SO4)
|
|
≥0.0010%
|
Heavy metals (as Pb)
|
