Hydrogen Chloride

CAS RN: 7647-01-0

Identification

Substance: Hydrogen Chloride

CAS RN: 7647-01-0

Shipping Name/Number:
    UN 1050; Hydrogen chloride, anhydrous
    UN 1789; Hydrochloric acid
    UN 2186; Hydrogen chloride, refrigerated liquid.

STCC:
    49 042 70; Hydrochloric acid, anhydrous
    49 302 28; Hydrochloric (muriatic) acid
    49 302 31; Hydrochloric acid (muriatic acid, spent)
    49 302 29; Hydrochloric acid mixture
    49 302 30; Hydrochloric acid solution, inhibited

State:
    liquid
    liquefied gas
    gas
Color:
    colorless
    yellowish
Odor:
    other odor
Taste:
    other taste
pH:
    acid (0-6)
     strong acid (<3)
     mod. acid (3-5)
Specific Gravity:
    sinks in water (> 1)
Vapor Density:
    settles in air (> 1)

Temperature:
    high body temp
    chills
Eyes:
    eye irritation/redness
    eye swelling
    impaired vision
    vision loss
Nose:
    bloody nose
    nasal irritation
Mouth/Throat:
    coughing/choking
    throat irritation
Cardiovascular:
    chest pain
    arrhythmia
    tachycardia
    hypertension
    hypotension/shock
    hypoxia/cyanosis
Respiratory:
    irregular breathing
    slow breathing
    rapid breathing
    shortness of breath
    wheezing
    respiratory arrest
    resp burning/irritation
    pulmonary edema
    chest discomfort
    congestion
    coughing/choking
    hypoxia/cyanosis
Gastro/Urinary:
    abdom. discomfort
    nausea
    vomiting
    vomiting blood
    urination, bloody
Skin:
    peeling/exfoliation
    itching
    skin burns/burning
    skin swelling
    blistering
    skin redness
    pale

NFPA704-Health:
    Not Applicable
NFPA704-Flammability:
    Not Applicable
NFPA704-Instability:
    Not Applicable
NFPA704-Special Hazards:
    Not Applicable

Miscellaneous Categories:
    Meth Lab
DOT Hazard Classifications:
    Class 2 - Gases
    Class 8 - Corrosive substances
    Division 2.3 - Toxic gases
WMDs:
    Not Applicable

Placard:
    Dangerous - Mixed load/unidentified cargo
    Division 2.3 - Gases, toxic/poisonous
    Division 6.2 - Infectious substances
Rail Car:
    Box car
Road Trailer:
    Mixed Cargo
    Intermodal Freight Container
Find more information on this substance at: PubChem, PubMed