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Certificate of Analysis

(Methylthio)acetic acid, 98%

CAS: 2444-37-3 MDL: MFCD00075444  EINECS: 219-483-6
Not regulated for shipping
Alternate Name: (Methylmercapto)acetic acid


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Chemical Properties

Formula: CH3SCH2CO2H  Flash point: >110°(230°F)
Formula weight: 106.15  Density: 1.224
Melting point: 13-14° Refractive Index: 1.4950
Boiling point: 99-100°/4mm 

Literature References

Dilithiation with LDA generates an acyl anion equivalent which, via alkylation and oxidative decarboxylation, provides a synthesis of aldehydes and ketones: Tetrahedron Lett., 3797 (1975).

Other References

Beilstein: 1740201
Harmonized Tariff Code:   2930.90

GHS Hazard and Precautionary Statements

Hazard Statements : H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements : P261-P280-P305+P351+P338-P304+P340-P405-P501A

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Harmful or Irritant

Risk & Safety

Risk Phrases: 36/37/38
Irritating to eyes, respiratory system and skin.
Safety Phrases: 26-37
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable gloves.