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Specification Sheet

Product Name
Dimethyl sulfoxide sterile-filtered, BioPerformance Certified, meets EP, USP testing specifications, suitable for hybridoma

Product Number
d2438

Product Brand
sigma

CAS Number
67-68-5

Molecular Weight
78.13

Test

Specification

Appearance (Turbidity)Clear
Appearance (Form)Liquid
Appearance (Colour)Colorless
Cytoxicity or abnormal cell growth by CFPass
SterilityPass
Endotoxin Level<= 1 EU/ml
Purity (GC)>= 99.9 %
Identity Test A (USP)Current USP Specification
Identity Test B (USP)Current USP Specification
Identity Test C (EP)Current EP Specification
Refractive Index (USP)1.4755 - 1.4775
Refractive Index (EP)1.478 - 1.480
Specific Gravity (USP)1.095 - 1.101
Relative density (EP)1.100 - 1.104
Water content (USP)<= 0.1 %
Water content (EP)<= 0.2 %
Acidity (USP)Current USP Specification
Acidity (EP)Current EP Specification
Related Compounds (USP)Current USP Specification
Related Substances (EP)Current EP Specification
Assay (USP)>= 99.9 %
Limit of Nonvolatile Residue (USP)<= 0.01 %
Freezing Point (EP)>= 18.3 °C
UV Absorbance @ 275nm (USP)<= 0.20
A285/A275 UV Absorption (USP)<= 0.65
A295/A275 UV Absorption (USP)<= 0.45
UV Absorbance 275nm (EP)<= 0.30
UV Absorbance 285nm (EP)<= 0.20
UV Absorbance 295nm (EP)<= 0.20
270-350nm: No absorption maxima (EP/USP)Pass
Identity by IR. NIR or NMRPass
Animal Derived Component FreeConforms