CAS No. 7647-01-0 (Hydrochloric acid )
Molecular Formula: HClMolecular Formula: 36.46
Identification of 7647-01-0
- Name:
- Hydrochloric acid (Related Reference)
- EINECS:
- 231-595-7
- Molecular Formula:
- HCl
- CAS Registry Number:
- 7647-01-0
- Synonyms:
- Chlorohydric acid; Hydrogen chloride; Hydrogen chloride (acid); HYDROGEN CHLORIDE GAS ONLY; Muriatic acid; Hydrochloric acid,refined; Hydrochloric acid,medicinal; chlorhydric acid; HCL
- InChI:
- InChI=1/ClH/h1H
- Molecular Structure:
- This structure is also available as a 2d Mol file
Chemical Properties
- Appearance:
- A colorless gas with a sharp, pungent odor.
- Molecular Weight:
- 36.46
- Density:
- 1.18
- Boiling Point:
- 57℃
- Melting Point:
- -35℃
- Flash Point:
- 11℃
- Storage Temperature:
- 2-8°C
- Solubility:
- Miscible
- Stability:
- Stable. Incompatible with alkalies, most metals. Avoid contact with water.
- Usage:
In the production of chlorides, refining ore in the production of tin and tantalum, for the neutralization of basic systems, as laboratory reagent, hydrolyzing of starch and proteins in the preparation of various food products, pickling and cleaning of metal products, as catalyst and solvent in organic synthesis, for oil- and gas-well treatment, in removing scale from boilers and heat-exchange equipment, pharmaceutic aid (acidifier).
Safety Data of 7647-01-0
- Risk Codes:
- R34;R37
- Safety Statements:
- S26;S45
- Hazard Symbols:
-
C:Corrosive
HazardClass:3
- MSDS infomation:
- Hydrochloric acid (7647-01-0).msds
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References of Hydrochloric acid
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| guinea pig | LCLo | inhalation | 4413ppm/30M (4413ppm) | LUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMA LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES LIVER: OTHER CHANGES |
Journal of Industrial Hygiene and Toxicology. Vol. 24, Pg. 222, 1942. |
| human | LCLo | inhalation | 1300ppm/30M (1300ppm) | ? | "Practical Toxicology of Plastics," Lefaux, R., Cleveland, OH, Chemical Rubber Co., 1968Vol. -, Pg. 207, 1968. |
| human | LCLo | inhalation | 3000ppm/5M (3000ppm) | ? | Tabulae Biologicae. Vol. 3, Pg. 231, 1933. |
| man | LDLo | oral | 2857ug/kg (2.857mg/kg) | VASCULAR: BP LOWERING NOT CHARACTERIZED IN AUTONOMIC SECTION LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION GASTROINTESTINAL: CHANGE IN STRUCTURE OR FUNCTION OF ESOPHAGUS |
Medical Journal of Australia. Vol. 158, Pg. 28, 1993. |
| man | LDLo | unreported | 81mg/kg (81mg/kg) | ? | "Poisoning; Toxicology, Symptoms, Treatments," 2nd ed., Arena, J.M., Springfield, IL, C.C. Thomas, 1970Vol. 2, Pg. 73, 1970. |
| mouse | LC50 | inhalation | 1108ppm/1H (1108ppm) | SENSE ORGANS AND SPECIAL SENSES: OTHER: EYE SKIN AND APPENDAGES (SKIN): "DERMATITIS, OTHER: AFTER SYSTEMIC EXPOSURE" LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION |
Journal of Combustion Toxicology. Vol. 3, Pg. 61, 1976. |
| mouse | LD50 | intraperitoneal | 40142ug/kg (40.142mg/kg) | ? | Comptes Rendus Hebdomadaires des Seances, Academie des Sciences. Vol. 256, Pg. 1043, 1963. |
| rabbit | LCLo | inhalation | 4413ppm/30M (4413ppm) | LUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMA LIVER: FATTY LIVER DEGERATION LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES |
Journal of Industrial Hygiene and Toxicology. Vol. 24, Pg. 222, 1942. |
| rabbit | LD50 | oral | 900mg/kg (900mg/kg) | ? | Biochemische Zeitschrift. Vol. 134, Pg. 437, 1923. |
| rat | LC50 | inhalation | 3124ppm/1H (3124ppm) | SENSE ORGANS AND SPECIAL SENSES: OTHER CHANGES: OLFACTION SENSE ORGANS AND SPECIAL SENSES: IRITIS: EYE |
Aerospace Medical Research Laboratory Report. Vol. TR-74-78, Pg. 1974, |
| women | LDLo | oral | 420uL/kg (0.42mL/kg) | BEHAVIORAL: EXCITEMENT CARDIAC: PULSE RATE KIDNEY, URETER, AND BLADDER: HEMATURIA |
Japanese Journal of Toxicology. Vol. 9, Pg. 351, 1996. |
Hazard Codes of Hydrogen chloride (CAS NO.7647-01-0):?
T,?C,?
F,?
Xi,?
F+
Risk Statements: 36/37/38-34-35-23-20-11-67-66-19-12-10-40-20/22
R36/37/38: Irritating to eyes, respiratory system and skin.
R34: Causes burns.
R35: Causes severe burns.
R23: Toxic by inhalation.
R20: Harmful by inhalation.
R11: Highly flammable.
R67: Vapours may cause drowsiness and dizziness.
R19: May form explosive peroxides.
R12: Extremely flammable.
R10: Flammable.
R40: Limited evidence of a carcinogenic effect.
R20/22: Harmful by inhalation and if swallowed.
Safety Statements: 26-45-36/37/39-9-33-29-16-46
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
S9: Keep container in a well-ventilated place.
S33: Take precautionary measures against static discharges.
S29: Do not empty into drains.
S16: Keep away from sources of ignition.
S46: If swallowed, seek medical advice immediately and show this container or label.
RIDADR: UN 2924 3/PG 2
WGK Germany: 2
RTECS: MW4025000
F: 3
HazardClass: 3
PackingGroup: I
A highly corrosive irritant to the eyes, skin, and mucous membranes. Mildly toxic by inhalation. Explosive reaction with alcohols + hydrogen cyanide, potassium permanganate, sodium (with aqueous HCl), tetraselenium tetranitride. Ignition on contact with aluminum-titanium alloys (with HCl vapor), fluorine, hexalithium disilicide, metal acetylides or carbides (e.g., cesium acetylide, rubidium acetylide). Violent reaction with 1,1-difluoroethylene. Vigorous reaction with aluminum, chlorine + dinitroanilines (evolves gas). Potentially dangerous reaction with sulfuric acid releases HCl gas. Adsorption of the acid onto silicon dioxide is exothermic. See also HYDROGEN CHLORIDE (aerosol) and HYDROCHLORIC ACID.
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