Product Specification
Product Number: 34860
CAS Number: 67-56-1
MDL: MFCD00004595
Formula: CH4O
Formula Weight: 32.04 g/mol
TEST Specification
________________________________________________________________________
Appearance (Color) Colorless
Appearance (Form) Liquid
Color Test < 10 APHA _
UV Absorbance 400nm < 0.01 _
UV Absorbance 280nm < 0.01 _
UV Absorbance 260nm < 0.04 _
UV Absorbance 240nm < 0.10 _
UV Absorbance 235nm < 0.10 _
UV Absorbance 230nm < 0.20 _
UV Absorbance 220nm < 0.30 _
UV Absorbance 210nm < 0.60 _
UV Absorbance 205nm < 1.00 _
Purity (GC) > 99.90 % _
Residue on Evaporation < 0.0005 % _
Water (by Karl Fischer) < 0.03 % _
Fluorescence 254nm < 1.0 ppb _
Fluorescence 365nm < 1.0 ppb _
Expiration Date Period -------------------------
1800 Days
Specification: PRD.1.ZQ5.10000015797
Sigma-Aldrich warrants, that at the time of the quality release or subsequent retest date this product conformed to the information contained in
this publication. The current Specification sheet may be available at Sigma-Aldrich.com. For further inquiries, please contact Technical Service.
Purchaser must determine the suitability of the product for its particular use. See reverse side of invoice or packing slip for additional terms
and conditions of sale.
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