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604380

Sigma-Aldrich

Paraformaldehyde-13C

≥99 atom % 13C, 99% (CP)

Synonym(s):

Formaldehyde-13C polymer

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About This Item

Linear Formula:
(13CH2O)n
Molecular Weight:
31.02
MDL number:
MFCD00145071
UNSPSC Code:
12162002
PubChem Substance ID:
329758983

isotopic purity

≥99 atom % 13C

Quality Level

200

assay

99% (CP)

form

solid

mp

170 °C (dec.) (lit.)

mass shift

M+1

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Packaging

This product may be available from bulk stock and can be packaged on demand. For information on pricing, availability and packaging, please contact Stable Isotopes Customer Service.

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Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Carc. 1B - Eye Dam. 1 - Flam. Sol. 2 - Muta. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

target_organs

Respiratory system

Storage Class

4.1B - Flammable solid hazardous materials

wgk_germany

WGK 2

flash_point_f

158.0 °F - closed cup

flash_point_c

70 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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’.

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Formaldehyde solution for molecular biology, 36.5-38% in H2O

Sigma-Aldrich

F8775

Formaldehyde solution

André K Eckhardt et al.
Nature chemistry, 10(11), 1141-1147 (2018-09-12)
Carbohydrates (CH2O)n are the formal adducts of carbon (atoms) to water with a repeating unit that structurally resembles H-C̈-OH (hydroxymethylene). Although hydroxymethylene has been suggested as a building block for sugar formation, it is a reactive species that had escaped

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