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Appearance:Liquid
Throughput:100|Kilogram|Day
pd_productuse:intermediate
Delivery Time:instock
Purity:99%
Product Name: Oxalic acid
CAS: 144-62-7
MF: C2H2O4
MW: 90.03
EINECS: 205-634-3
Mol File: 144-62-7.mol
Oxalic acid Structure
Oxalic acid Chemical Properties
Melting point 189.5 °C (dec.)(lit.)
Boiling point 365.1°C (estimate)
density 0.99 g/mL at 25 °C
vapor density 4.4 (vs air)
vapor pressure <0.01 mm Hg ( 20 °C)
refractive index 1.4261 (estimate)
Fp 101-157°C
storage temp. Store below +30°C.
solubility water: soluble108g/L at 25°C
form Liquid
pka 1.23(at 25℃)
color White
PH 1 (100g/l, H2O, 20℃)
PH Range 6 - 8 at 25 °C
Water Solubility 90 g/L (20 ºC)
Sublimation 101-157 ºC
Merck 14,6911
BRN 385686
Henry's Law Constant 1.43 at pH 4 (quoted, Gaffney et al., 1987)
Exposure limits NIOSH REL: TWA 1, STEL 2, IDLH 500; OSHA PEL: TWA 1; ACGIH TLV: TWA 1, STEL 2 (adopted).
Stability: Stable, but moisture sensitive. Incompatible with metals.
InChIKey MUBZPKHOEPUJKR-UHFFFAOYSA-N
CAS DataBase Reference 144-62-7(CAS DataBase Reference)
NIST Chemistry Reference Oxalic acid(144-62-7)
EPA Substance Registry System Oxalic acid (144-62-7)
Safety Information
Hazard Codes Xn
Risk Statements 21/22-63-34-41
Safety Statements 24/25-23-36/37/39-27-26-39-37-36-36/37
RIDADR UN 3261 8/PG 3
WGK Germany 1
RTECS RO2450000
TSCA Yes
HazardClass 8
PackingGroup III
HS Code 29171110
Hazardous Substances Data 144-62-7(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 375 mg/kg
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