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Substance Name: Formic acid
RN: 64-18-6
UNII: 0YIW783RG1
InChIKey: BDAGIHXWWSANSR-UHFFFAOYSA-N
Molecular Formula
- C-H2-O2
Molecular Weight
- 46.0248
- All
- Classifications
- Links to Resources
- Names & Synonyms
- Registry Numbers
- Structure Descriptors
- Toxicity
- Physical Properties
Classification Codes
Classification Codes
- Human Data
- Mutation Data
- Skin / Eye Irritant
- Tumor Data
Superlist Classification Codes
- Reportable Quantity (RQ) = 5000 lb
- TWA (5 ppm); STEL (10 ppm)
- TWA 5 ppm (9 mg/m3)
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Other Resources (Internet Locators)
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Names and Synonyms
Name of Substance
- Formic acid
Synonyms
- Acide formique
- Acide formique [French]
- Acido formico
- Acido formico [Italian]
- Add-F
- AI3-24237
- Ameisensaeure
- Ameisensaeure [German]
- Aminic acid
- Bilorin
- C1 acid
- CCRIS 6039
- Collo-bueglatt
- Collo-didax
- EC 200-579-1
- EINECS 200-579-1
- EPA Pesticide Chemical Code 214900
- FEMA No. 2487
- Formic acid
- Formic acid (natural)
- Formicum acidum
- Formira
- Formisoton
- Formylic acid
- HSDB 1646
- Hydrogen carboxylic acid
- Kwas metaniowy
- Kwas metaniowy [Polish]
- Kyselina mravenci
- Kyselina mravenci [Czech]
- Methanoic acid
- Mierenzuur
- Mierenzuur [Dutch]
- Myrmicyl
- RCRA waste number U123
- Spirit of formic acid
- UNII-0YIW783RG1
Systematic Name
- Formic acid
Superlist Names
- Formic acid
- Formic acid [UN1779] [Corrosive]
- RCRA waste no. U123
- UN1779
Registry Numbers
CAS Registry Number
- 64-18-6
FDA UNII
- 0YIW783RG1
Other Registry Numbers
- 1016316-60-1
- 67382-92-7
- 8006-93-7
- 82069-14-5
Related Registry Numbers
- 141-53-7 (hydrochloride salt)
- 15843-02-4 (unspecified nickel salt)
- 15907-03-6 (unspecified copper salt)
- 27115-36-2 (chromium(+3) salt)
- 3349-06-2 (nickel(+2) salt)
- 3495-35-0 (rubidium salt)
- 3495-36-1 (cesium salt)
- 4464-23-7 (cadmium salt)
- 540-69-2 (ammonium salt)
- 544-17-2 (calcium salt)
- 544-18-3 (cobalt(+2) salt)
- 544-19-4 (copper(+2) salt)
- 556-63-8 (lithium salt)
- 557-39-1 (magnesium salt)
- 557-41-5 (zinc salt)
- 590-29-4 (potassium salt)
- 592-89-2 (strontium salt)
- 63182-21-8 (chromium(+3)-hydrochloride[4:1:1] salt)
- 68134-59-8 (unspecified copper-nickel salt)
- 68310-83-8 (unspecified copper-ammonium salt)
- 70179-79-2 (ammonium[4:1] salt)
- 7056-83-9 (unspecified lead salt)
- 7360-53-4 (aluminum salt)
- 811-54-1 (lead(+2) salt)
- 992-98-3 (thallium(+1) salt)
System Generated Number
- 0000064186
Structure Descriptors
InChI
1S/CH2O2/c2-1-3/h1H,(H,2,3)InChIKey
BDAGIHXWWSANSR-UHFFFAOYSA-NSmiles
C(=O)Toxicity
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| dog | LD50 | oral | 4gm/kg (4000mg/kg) | AMA Archives of Industrial Health. Vol. 20, Pg. 517, 1959. | |
| dog | LDLo | intravenous | 3gm/kg (3000mg/kg) | "Handbook of Toxicology," 4 vols., Philadelphia, W.B. Saunders Co., 1956-59Vol. 1, Pg. 146, 1955. | |
| man | TCLo | inhalation | 7300ug/m3/8H (7.3mg/m3) | KIDNEY, URETER, AND BLADDER: OTHER CHANGES IN URINE COMPOSITION | Archives of Toxicology. Vol. 66, Pg. 522, 1992. |
| mouse | LC50 | inhalation | 6200mg/m3/15M (6200mg/m3) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 23(12), Pg. 49, 1979. |
| mouse | LD50 | intraperitoneal | 940mg/kg (940mg/kg) | Igiena. Vol. 11, Pg. 507, 1962. | |
| mouse | LD50 | intravenous | 145mg/kg (145mg/kg) | Zeitschrift fuer Ernaehrungswissenschaft. Vol. 9, Pg. 332, 1969. | |
| mouse | LD50 | oral | 700mg/kg (700mg/kg) | LUNGS, THORAX, OR RESPIRATION: DYSPNEA BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 23(12), Pg. 49, 1979. |
| rabbit | LDLo | intravenous | 239mg/kg (239mg/kg) | "Handbook of Toxicology," 4 vols., Philadelphia, W.B. Saunders Co., 1956-59Vol. 1, Pg. 146, 1955. | |
| rat | LC50 | inhalation | 15gm/m3/15M (15000mg/m3) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 23(12), Pg. 49, 1979. |
| rat | LD50 | oral | 1100mg/kg (1100mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 23(12), Pg. 49, 1979. |
| women | LDLo | oral | 2440ug/kg (2.44mg/kg) | American Journal of Emergency Medicine. Vol. 7, Pg. 286, 1989. | |
| women | LDLo | oral | 2440ug/kg (2.44mg/kg) | BLOOD: OTHER HEMOLYSIS WITH OR WITHOUT ANEMIA VASCULAR: SHOCK | American Journal of Emergency Medicine. Vol. 7, Pg. 286, 1989. |
| women | TDLo | oral | 2200mg/kg (2200mg/kg) | Journal of Toxicology, Clinical Toxicology. Vol. 32, Pg. 199, 1994. | |
| women | TDLo | oral | 2200mg/kg (2200mg/kg) | KIDNEY, URETER, AND BLADDER: HEMATURIA LUNGS, THORAX, OR RESPIRATION: SPUTUM | Journal of Toxicology, Clinical Toxicology. Vol. 32, Pg. 199, 1994. |
Physical Properties
| Physical Property | Value | Units | Temp (deg C) | Source |
|---|---|---|---|---|
| Melting Point | 8.3 | deg C | EXP | |
| Boiling Point | 101 | deg C | EXP | |
| pKa Dissociation Constant | 3.751 | (none) | 25 | EXP |
| log P (octanol-water) | -0.54 | (none) | EXP | |
| Water Solubility | 1.00E+06 | mg/L | 25 | EXP |
| Vapor Pressure | 42.6 | mm Hg | 25 | EXP |
| Henry's Law Constant | 1.67E-07 | atm-m3/mole | 25 | EXP |
| Atmospheric OH Rate Constant | 4.50E-13 | cm3/molecule-sec | 25 | EXP |
Physical property data is provided to ChemIDplus by SRC, Inc.