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LC4138 Methyl-4-toluenesulfonate

for synthesis


Order number Packaging Quantity Price €
AC31138 Glass bottle 100 ml 11.88
AC31138 Glass bottle 500 ml 42.98
AC31138 Glass bottle 2.5 l 163.8
AC31138 Plastic container 25 l Inquire


Product information
Synonyms p-Toluenesulfonic acid methyl ester
Hill Formula C8H10O3S
Chemical formula 4-(CH3)C6H4SO3CH3
HS Code 2905 19 00
EC number 201-283-5
Molar mass 186.23 g/mol
CAS number 80-48-8


Chemical and physical data
Solubility (20 °C) insoluble
Melting point 24 – 27 °C
Molar mass 186.23 g/mol
Density 1.23 g/cm3 (20 °C)
Boiling point 292 °C
Flash point 130 °C


Safety information
R Phrase R 22-36/38-43
Harmful if swallowed.Irritating to eyes and skin.May cause sensitization by skin contact.
S Phrase S 24-26-37
Avoid contact with skin.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable gloves.
Categories of danger harmful, irritant, sensitizing
Hazard Symbol Harmful
Storage class 10 – 13 Other liquids and solids
WGK WGK 2 water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.


Toxicological data
LD 50 oral LD50 rat 341 mg/kg


Assay (GC, area%) ≥ 98 %
Melting range
– lower value
≥ 24 °C
– upper value ≤ 29 °C
Identity (IR) passes test


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