Merck
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15513

Sigma-Aldrich

Formaldehyde solution

meets analytical specification of Ph. Eur., BP, 35 wt. %, contains 10% methanol as stabilizer

Synonym(s):
Formalin
Linear Formula:
HCHO
CAS Number:
Molecular Weight:
30.03
Beilstein:
1209228
MDL number:
eCl@ss:
39021101
PubChem Substance ID:

vapor density

1.03 (vs air)

vapor pressure

52 mmHg ( 37 °C)

assay

35 wt. %
35.0-38.0%

form

liquid

autoignition temp.

572 °F

quality

meets analytical specification of Ph. Eur., BP

contains

10% methanol as stabilizer

impurities

acidic reac. substances, complies
residual solvents, complies
9.0-15.0% methanol (GC)

ign. residue

≤0.01% (as SO4)

bp

97 °C

mp

-15 °C

density

1.09 g/mL at 25 °C (lit.)

suitability

complies for appearance of solution

SMILES string

[H]C([H])=O

InChI

1S/CH2O/c1-2/h1H2

InChI key

WSFSSNUMVMOOMR-UHFFFAOYSA-N

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