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Merck
CN

1283200

USP

Formic acid

United States Pharmacopeia (USP) Reference Standard

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About This Item

Linear Formula:
HCOOH
CAS Number:
64-18-6
Molecular Weight:
46.03
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329749889
MDL number:
MFCD00003297
Beilstein/REAXYS Number:
1209246

Key Documents

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Product Name

Formic acid, United States Pharmacopeia (USP) Reference Standard

InChI key

BDAGIHXWWSANSR-UHFFFAOYSA-N

SMILES string

OC=O

InChI

1S/CH2O2/c2-1-3/h1H,(H,2,3)

grade

pharmaceutical primary standard

vapor density

1.6 (vs air)

vapor pressure

44.8 mmHg ( 20 °C)

form

liquid

autoignition temp.

1004 °F

expl. lim.

57 %

manufacturer/tradename

USP

refractive index

n20/D 1.370 (lit.)

pH

2.2 (20 °C, 2.2 g/L)

pKa (20 °C)

3.7

bp

100-101 °C (lit.)

mp

8.2-8.4 °C (lit.)

density

1.22 g/mL at 25 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

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Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Application

Formic acid USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia.

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.
For further information and support please go to the website of the issuing Pharmacopoeia.

Other Notes

Sales restrictions may apply.

signalword

Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1A

supp_hazards

EUH071

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

121.1 °F - closed cup

flash_point_c

49.5 °C - closed cup

Regulatory Information

危险化学品
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