Safety data for hydrochloric acid (1 molar)

General

Synonyms: muriatic acid, chlorohydric acid, dilute hydrochloric acid, diulte HCL, 1 molar hydrochloric acid. (For information on the strength of solutions of concentrated acids and bases, click here.)
Molecular formula: HCl
CAS No: 7647-01-0
EC No: 231-595-7

Physical data

Appearance: clear colourless liquid with pungent odour.
Melting point:
Boiling point:
Specific gravity:
Vapour pressure:
Flash point: none
Explosion limits: none
Autoignition temperature: none
 

Stability

Stable. Incompatible with most common metals, amines, metal oxides, acetic anhydride, propiolactone, vinyl acetate, mercuric sulphate, calcium phosphide, formaldehyde, alkalies, carbonates, strong bases, sulphuric acid, chlorosulphonic acid.
 

Toxicology

Corrosive. Inhalation of vapour is harmful. Ingestion may be fatal. Liquid can cause severe damage to skin and eyes. TLV 5 ppm.

Toxicity data (for the concentrated acid)
(The meaning of any abbreviations which appear in this section is given here.)
ORL-RBT LD50 900 mg kg^-1
IPR-MUS LD50 40 mg kg^-1
IHL-RAT LC50 3124 ppm/1h.
IHL-HMN LCLO 1300 ppm 30min

Risk phrases
(The meaning of any risk phrases which appear in this section is given here.)
R20 R21 R22 R36 R37 R38.
 

Personal protection

Safety glasses. Adequate ventilation.

Safety phrases
(The meaning of any safety phrases which appear in this section is given here.)
S26 S45.

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