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Formic acid CAS#64-18-6

High chemical stability ensures reliable performance in various industrial applications.

Strong hygroscopic property allows effective moisture absorption and control.

High reactivity and corrosive strength make it suitable for specialized chemical processes.

Clear compatibility guidelines support safe handling, storage, and controlled use in production environments.

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Product Description

Products Description of Formic Acid CAS#64-18-6

Formic acid is a colorless liquid characterized by a strong, pungent odor. It is a stable yet highly corrosive and flammable chemical with hygroscopic properties, readily absorbing moisture from the air.

This substance is incompatible with sulfuric acid, strong alkalis, furfuryl alcohol, hydrogen peroxide, powerful oxidizing agents, and bases. Contact with oxidizers may cause violent reactions, so careful handling and proper storage are essential to ensure safety.

Product Application of Formic Acid (CAS No. 64-18-6)

Formic Acid is widely used across numerous industrial and commercial fields. It serves as an important organic acid and chemical intermediate in the synthesis of various organic compounds. In the feed and food industries, it is applied as a feed additive, food additive, and flavoring component, including both natural-equivalent and artificial flavors.

Formic Acid is also utilized in paper processing as a functional paper chemical, and as a high-purity solvent in laboratory and industrial operations. In analytical chemistry, it is commonly employed as an analytical standard and as a reference substance for impurity testing, as well as a gas chromatography standard for color scale calibration. In addition, it functions as a key organic raw material in many manufacturing processes.

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Product Information

Parameters

Melting point	8.2-8.4 °C (lit.)
Boiling point	100-101 °C (lit.)
density	1.22 g/mL at 25 °C (lit.)
vapor density	1.03 (vs air)
vapor pressure	52 mm Hg ( 37 °C)
refractive index	n20/D 1.377
FEMA	2487 \| FORMIC ACID
Fp	133 °F
storage temp.	2-8°C
solubility	H2O: soluble1g/10 mL, clear, colorless
pka	3.75(at 20℃)
form	Liquid
Specific Gravity	1.216 (20℃/20℃)
color	APHA: ≤15
PH	3.47(1 mM solution);2.91(10 mM solution);2.38(100 mM solution)
	;
Odor	at 0.10 % in water. pungent vinegar formyl
Odor Type	acetic
biological source	synthetic
explosive limit	12-38%(V)
Water Solubility	MISCIBLE
Sensitive	Hygroscopic
λmax	λ: 260 nm Amax: 0.03
	λ: 280 nm Amax: 0.01
Merck	144241
JECFA Numbr	79
BRN	1209246
Henry's Law	At 25 °C: 95.2, 75.1, 39.3, 10.7, and 3.17 at pH values of 1.35, 3.09, 4.05, 4.99, and 6.21, respectively (Hakuta et al., 1977)
Constant
Dielectric constant	58.0（16℃）
Exposure limits	TLV-TWA 5 ppm (～9 mg/m3) (ACGIH, MSHA, OSHA, and NIOSH); IDLH 100 ppm (180 mg/m3) (NIOSH).
Stability:	Stable. Substances to be avoided include strong bases, strong oxidizing agents and powdered metals, furfuryl alcohol. Combustible. Hygroscopic. Pressure may build up in tightly closed bottles, so bottles should be opened carefully and vented periodically.
InChIKey	BDAGIHXWWSANSR-UHFFFAOYSA-N
LogP	-0.54
CAS DataBase Reference	64-18-6(CAS DataBase Reference)
NIST Chemistry Reference	Formic acid(64-18-6)
EPA Substance Registry Systm	Formic acid (64-18-6)

Safety Information

Hazard Codes	T,C,Xi
Risk Statements	23/24/25-34-40-43-35-36/38-10
Safety Statements	36/37-45-26-23-36/37/39
RIDADR	UN 1198 3/PG 3
OEB	B
OEL	TWA: 5 ppm (9 mg/m3)
WGK Germany	2
RTECS	LP8925000
F	10
Autoignition Temperature	1004 °F
TSCA	Yes
HazardClass	8
PackingGroup	II
HS Code	29151100
Hazardous Substances Data	64-18-6(Hazardous Substances Data)
Toxicity	LD50 in mice (mg/kg): 1100 orally; 145 i.v. (Malorny)
IDLA	30 ppm

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