MilliporeSigma
All Photos(2)

Documents

8.06022

Sigma-Aldrich

Methanesulfonic acid

for synthesis

Sign Into View Organizational & Contract Pricing

Synonym(s):
Methanesulfonic acid, MSA
Empirical Formula (Hill Notation):
CH4O3S
CAS Number:
Molecular Weight:
96.11
MDL number:
EC Index Number:
200-898-6

vapor pressure

<1 hPa ( 20 °C)

Quality Level

assay

≥99.0% (acidimetric)

form

liquid

potency

649 mg/kg LD50, oral (Rat)
200-2000 mg/kg LD50, skin (Rabbit)

bp

167 °C/13 hPa

mp

20 °C

transition temp

flash point 189 °C

solubility

1000 g/L

density

1.48 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/CH4O3S/c1-5(2,3)4/h1H3,(H,2,3,4)

InChI key

AFVFQIVMOAPDHO-UHFFFAOYSA-N

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
8.20016129925304506
vibrant-m

8.06022

Methanesulfonic acid

vibrant-m

8.20016

Ethanesulfonic acid

vibrant-m

129925

Methyl methanesulfonate

vibrant-m

304506

Sodium methanesulfonate

Quality Level

200

Quality Level

200

Quality Level

100

Quality Level

200

form

liquid

form

liquid

form

liquid

form

solid

solubility

1000 g/L

solubility

-

solubility

-

solubility

-

storage temp.

2-30°C

storage temp.

2-30°C

storage temp.

-

storage temp.

-

density

1.48 g/cm3 at 20 °C

density

1.34 g/cm3 at 20 °C

density

1.3 g/mL at 25 °C (lit.)

density

-

Analysis Note

Appearance of substance (visual): colourless to brownish
Assay (acidimetric): ≥ 99.0 %
Density (d 20 °C/ 4 °C): 1.478 - 1.482
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

pictograms

CorrosionExclamation mark

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1 - STOT SE 3

target_organs

Respiratory system

Storage Class

8A - Combustible, corrosive hazardous materials

wgk_germany

WGK 1

flash_point_f

372.2 °F - closed cup

flash_point_c

189 °C - closed cup


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

Customers Also Viewed

Slide 1 of 1

1 of 1

Benzenesulfonic acid for synthesis

Sigma-Aldrich

8.00468

Benzenesulfonic acid

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service