Methyl P-toluenesulfonate CAS 80-48-8

Methyl p-toluenesulfonate is white crystalline, soluble in ethanol, ether, benzene, insoluble in water, hygroscopic. It is irritating. It can be used as selective methylation reagent for organic synthesis.

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Model:
80-48-8
Brand:
Futurechemical
Code:
80-48-8

Product Description

Methyl p-toluenesulfonate Basic information
Product Name:	Methyl p-toluenesulfonate
CAS:	80-48-8
MF:	C8H10O3S
MW:	186.23
EINECS:	201-283-5
Mol File:	80-48-8.mol
Methyl p-toluenesulfonate Chemical Properties
Melting point	25-28 °C(lit.)
Boiling point	144-145 °C5 mm Hg(lit.)
density	1.234 g/mL at 25 °C(lit.)
vapor density	6.45 (vs air)
vapor pressure	1 mm Hg ( 20 °C)
refractive index	n20/D 1.5172(lit.)
Fp	>230 °F
storage temp.	2-8°C
solubility	Chloroform (Slightly), Methanol (Slightly)
form	Liquid or Low Melting Solid
color	White to yellow
Water Solubility	Insoluble
Sensitive	Moisture Sensitive
BRN	609209
LogP	1.88 at 25℃
CAS DataBase Reference	80-48-8(CAS DataBase Reference)
NIST Chemistry Reference	Benzenesulfonic acid, 4-methyl-, methyl ester(80-48-8)
EPA Substance Registry System	Benzenesulfonic acid, 4-methyl-, methyl ester (80-48-8)

Methyl P-toluenesulfonate CAS 80-48-8 C8H10O3S Dye and pigment manufacturing Photosensitive material Polymer material modification

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Full-Process Quality Control: From incoming raw material inspection to in-process monitoring and final outgoing checks, every batch is inspected at each production stage against strict acceptance standards.
Third-Party Certified & Tested: Our quality management system is certified to ISO 9001, and products are regularly tested by accredited laboratories (e.g. SGS, TÜV). Test reports are available on request.
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FAQ From Customers

Q1: What is the minimum order quantity?

A: There is no quantity limit for the first sample or trial order. Just tell us the actual quantity you need.
Q2: How can I confirm that the quality meets the requirements?

A: Provide your specifications, and our technical team will check them or customize them for you; we can provide TDS, MSDS, and COA, and accept third-party testing.
Q3: How do you ensure stable quality?

A: We manufacture under an ISO 9001 quality system, test every batch before release, and retain samples for 24 months for traceability.
Q4: Do you provide samples?

A: Yes — Free samples are available; freight is at buyer's expense for express delivery.