Analysis Note
Assay (HPLC, area%): ≥ 99.0 % (a/a)
Melting range (lower value): ≥ 130 °C
Melting range (upper value): ≤ 135 °C
Assay (acidimetric): ≥ 99.0 %
Identity (IR): passes test
Molecular Weight: 116.07. Empirical Formula: C
4H
4O
4. linearFormula: HO
2CCH: CHCO
2H. vapor pressure: <. 0.1 hPa ( 20 °C). Quality Level: 200. Assay: ≥. 99% (acidimetric). form: powder. potency: 708 . mg/kg LD
50, oral (Rat), 1560 . mg/kg LD
50, skin (Rabbit). pH: 1.3 (20 . °C, 100 . g/L in H
2O). mp: 130-135 . °C (lit.). solubility: 478.8 . g/L. density: 1.59 . g/mL . at 25 . °C (lit.). bulk density: 750‑. 800 . kg/m
3. storage temp.: 2-30°C. SMILES string: OC(: O)\C: C/C(O): O. InChI: 1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1-. InChI key: VZCYOOQTPOCHFL-UPHRSURJSA-N. Pictograms: GHS07. Signal Word: Warning. Hazard Statements: H302 + H312 - H315 - H317 - H319 - H335. Precautionary Statements: P261 - P264 - P280 - P301 + P312 - P302 + P352 + P312 - P305 + P351 + P338. Hazard Classifications: Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3. Target Organs: Respiratory system. Storage Class Code: 11 - Combustible Solids. WGK: WGK 1.