Thioglycolic acid

• Catalog No.: T3758
• CAS Number: 68-11-1
• M. F.: C2H4O2S
• M. W.: 92.11696
• Purity: ≥98%

SYNONYMS

• Title: 硫代乙醇酸
• IUPAC name: 2-sulfanylacetic acid
• IUPAC Traditional name: thioglycolic acid
• Synonyms: 巯基乙酸

DATABASE IDS

• CAS Number: 68-11-1
• EC Number: 200-677-4
• PubChem SID: 24900165
• MDL Number: MFCD00004876
• Beilstein Number: 506166

PROPERTIES

• Purity: ≥98%
• Apperance: clear, colorless liquid
• Auto Ignition Point: 662 °F
• Boiling Point: 96 °C/5 mmHg(lit.)
• Density: 1.326 g/mL at 20 °C(lit.)
• Flash Point: 130 °C
• Flash Point: 266 °F
• Melting Point: -16 °C(lit.)
• Refractive Index: n20/D 1.505(lit.)
• Vapor Density: 3.2 (vs air)
• Vapor Pressure: 0.4 mmHg ( 25 °C)
• GHS Signal Word: Danger
• GHS Hazard statements: H301-H311-H314-H330
• European Hazard Symbols: Toxic (T)
• Personal Protective Equipment: Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• GHS Precautionary statements: P260-P280-P284-P301 + P310-P305 + P351 + P338-P310
• RID/ADR: UN 1940 8/PG 2
• Risk Statements: 23/24/25-34
• RTECS: AI5950000
• Safety Statements: 25-27-28-45
• Storage Temperature: -20°C
• Hazard Class: 8
• UN Number: 1940
• Packing Group: 2
• German water hazard class: 1

DETAILS

Description (简体中文)

Caution
室温下，在水中的浓度超出约 70% 时每月易形成 1 到 2% 的含硫苷，在酸性或碱性条件下又水解为原始的游离化合物。浓度为 70% 的溶液在空气中易氧化，密封后在室温下可保持稳定。巯基乙酸盐在储存时纯度可能降低。除去空气并不能显著提高稳定性。
包装
100, 500 mL in glass bottle