Formic acid
USP/1283200 - United States Pharmacopeia (USP) Reference Standard
CAS Number: 64-18-6
Empirical Formula (Hill Notation): CH2O2
Molecular Weight: 46.03
MDL Number: MFCD00003297
Linear Formula: HCOOH
Product Type: Chemical
application(s) | pharmaceutical (small molecule) |
autoignition temp. | 1004 °F |
bp | 100-101 °C (lit.) |
density | 1.22 g/mL at 25 °C (lit.) |
expl. lim. | 57 % |
form | liquid |
format | neat |
grade | pharmaceutical primary standard |
InChI | 1S/CH2O2/c2-1-3/h1H,(H,2, |
InChI key | BDAGIHXWWSANSR-UHFFFAOYSA |
manufacturer/tradename | USP |
mp | 8.2-8.4 °C (lit.) |
pH | 2.2 (20 °C, 2.2 g/L) |
pKa (20 °C) | 3.7 |
refractive index | n |
SMILES string | OC=O |
storage temp. | 2-8°C |
vapor density | 1.6 (vs air) |
vapor pressure | 44.8 mmHg ( 20 °C) |
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. |
Symbol | ![]() ![]() ![]() |
Signal word | Danger |
Hazard statements | H226 - H302 - H314 - H331 |
Precautionary statements | P210 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
RIDADR | UN 1779 3(8) / PGII |
WGK Germany | WGK 1 |
Flash Point(F) | 121.1 °F - closed cup |
Flash Point(C) | 49.5 °C - closed cup |
Supplemental Hazard Statements | EUH071 |
bp | 100-101 °C (lit.) |
mp | 8.2-8.4 °C (lit.) |
Density | 1.22 g/mL at 25 °C (lit.) |
Refractive Index | n |
Storage Temp. | 2-8°C |
UNSPSC | 41116107 |