41647
Dimethyl sulfoxide
puriss., absolute, over molecular sieve (H2O ≤0.005%), ≥99.5% (GC)
Synonym(s):
DMSO
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About This Item
Linear Formula:
(CH3)2SO
CAS Number:
Molecular Weight:
78.13
EC Number:
200-664-3
UNSPSC Code:
12191502
PubChem Substance ID:
Beilstein/REAXYS Number:
506008
MDL number:
vapor density
2.7 (vs air)
vapor pressure
0.42 mmHg ( 20 °C)
grade
absolute, puriss.
assay
≥99.5% (GC)
autoignition temp.
573 °F
quality
over molecular sieve (H2O ≤0.005%)
expl. lim.
42 %, 63 °F
impurities
≤0.005% water
water
refractive index
n20/D 1.479
bp
189 °C (lit.)
mp
16-19 °C (lit.)
density
1.10 g/mL (lit.)
SMILES string
CS(C)=O
InChI
1S/C2H6OS/c1-4(2)3/h1-2H3
InChI key
IAZDPXIOMUYVGZ-UHFFFAOYSA-N
Other Notes
This product has been replaced by 276855-Sigma-Aldrich | Dimethyl sulfoxide, anhydrous, ≥99.9% | (CH3)2SO
Disclaimer
Supercools easily and remelts slowly at room temperature. Solidified product can be re-liquified by warming to room temperature without detriment to the product.
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Storage Class
10 - Combustible liquids
wgk
WGK 1
flash_point_f
188.6 °F - closed cup
flash_point_c
87 °C - closed cup
ppe
Eyeshields, Gloves, type ABEK (EN14387) respirator filter
Regulatory Information
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