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Sodium thioglycolate(CAS# 367-51-1)

Chemical Property:

Molecular Formula C2H5NaO2S
Molar Mass 116.11
Melting Point >300 °C (lit.)
Boling Point 225.5°C at 760 mmHg
Flash Point 99.8°C
Water Solubility soluble
Solubility Soluble in water, solubility in water: 1000g/l (20°C), slightly soluble in alcohol.
Vapor Presure <0.1 hPa (25 °C)
Appearance White to white-like powder
Color White powder
Odor Stench odour
Exposure Limit ACGIH: TWA 1 ppm (Skin)
Merck 14,8692
BRN 4569109
pKa 3.82[at 20 ℃]
PH 6.7 (100g/l, H2O, 20℃)
Storage Condition -20°C
Sensitive Air Sensitive & Hygroscopic
MDL MFCD00043386
Use Used as an analytical reagent, but also for the preparation of chemical hot liquid

Product Detail

Product Tags

Hazard Symbols Xn – Harmful
Risk Codes R22 – Harmful if swallowed
R38 – Irritating to the skin
R36/37/38 – Irritating to eyes, respiratory system and skin.
Safety Description S36 – Wear suitable protective clothing.
S28 – After contact with skin, wash immediately with plenty of soap-suds.
S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
UN IDs 2811
WGK Germany 1
RTECS AI7700000
FLUKA BRAND F CODES 3-10-13-23
TSCA Yes
HS Code 29309070
Hazard Class 6.1(b)
Packing Group III
Toxicity LD50 i.p. in rats: 148 mg/kg, Freeman, Rosenthal, Fed. Proc. 11, 347 (1952)

 

Introduction

It has a special smell, and it has a slight smell when it is first made. Hygroscopicity. Exposed to the air or discolored by iron, if the color turns yellow and black, it has deteriorated and cannot be used. Soluble in water, solubility in water: 1000g/l (20°C), slightly soluble in alcohol. Median lethal dose (rat, abdominal cavity) 148mg/kg · irritation.


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