1.02950
Dimethyl sulfoxide
for spectroscopy Uvasol®
Synonym(s):
Methanesulfinylmethane, Methyl sulfoxide, Dimethyl(oxido)sulfur, DMSO, DMSO
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About This Item
InChI
1S/C2H6OS/c1-4(2)3/h1-2H3
SMILES string
CS(C)=O
InChI key
IAZDPXIOMUYVGZ-UHFFFAOYSA-N
Quality Level
vapor pressure
0.42 mmHg ( 20 °C)
assay
≥99.8% (GC)
form
liquid
autoignition temp.
573 °F
potency
28300 mg/kg LD50, oral (Rat), 40000 mg/kg LD50, skin (Rat)
expl. lim.
42 %, 63 °F
technique(s)
UV/Vis spectroscopy: suitable
impurities
≤0.0002 meq/g Acidity, ≤0.0002 meq/g Alkalinity, ≤0.05% Water
evapn. residue
≤0.0004%
color
APHA: ≤10
transmittance
270 nm, ≥35%, 280 nm, ≥50%, 310 nm, ≥80%, 330 nm, ≥90%, 350 nm, ≥97%
kinematic viscosity
2.14 cSt
transition temp
flash point 87 °C
density
1.10 g/mL (lit.)
UV absorption
λ: 270 nm Amax: ≤0.46, λ: 280 nm Amax: ≤0.30, λ: 310 nm Amax: ≤0.10, λ: 330 nm Amax: ≤0.05, λ: 350 nm Amax: ≤0.013
storage temp.
2-30°C
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General description
Features and Benefits
Analysis Note
Evaporation residue: ≤ 0.0004 %
Water: ≤ 0.05 %
Color: ≤ 10 Hazen
Acidity: ≤ 0.0002 meq/g
Alkalinity: ≤ 0.0002 meq/g
Transmission (at 270 nm): ≥ 35 %
Transmission (at 280 nm): ≥ 50 %
Transmission (at 310 nm): ≥ 80 %
Transmission (at 330 nm): ≥ 90 %
Transmission (from 350 nm): ≥ 97 %
Absorbance (at 270 nm): ≤ 0.46
Absorbance (at 280 nm): ≤ 0.30
Absorbance (at 310 nm): ≤ 0.10
Absorbance (at 330 nm): ≤ 0.05
Absorbance (from 350 nm): ≤ 0.013
Other Notes
Legal Information
Disclaimer
Storage Class
10 - Combustible liquids
wgk
WGK 1
flash_point_f
188.6 °F - closed cup
flash_point_c
87 °C - closed cup
Regulatory Listings
Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.
Flammable liquids + Type 3 petroleums + Hazardous rank III + Water soluble liquid
fsl
Certificates of Analysis (COA)
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| 1.02950.0500 | 04022536038230 |
| 1.02950.2500 | 04022536038254 |
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