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Hydrochloric acid Structure

Hydrochloric acid

Chemical Properties

Melting point -35 °C
Boiling point >100 °C (lit.)
Density  1.2 g/mL at 25 °C (lit.)
vapor density  1.3 (vs air)
vapor pressure  613 psi ( 21.1 °C)
refractive index  1.3535
Flash point 10℃ (tag closed test)
storage temp.  Store at +2°C to +25°C.
solubility  H2O: soluble
pka -7(at 25℃)
form  liquid
color  Light Yellow
Specific Gravity 1.19
PH 3.01(1 mM solution);2.04(10 mM solution);1.08(100 mM solution);
Odor Sharp, irritating odor detectable at 0.25 to 10 ppm
Viscosity 1.7mm2/s
Water Solubility  miscible
Sensitive  Air & Light Sensitive
Merck  14,4780
Exposure limits Ceiling limit 5 ppm (~ 7 mg/m3).
Stability Stable. Incompatible with alkalies, most metals. Avoid contact with water.
Substances Added to Food (formerly EAFUS) HYDROCHLORIC ACID
SCOGS (Select Committee on GRAS Substances) Hydrochloric acid
FDA 21 CFR 182.1057; 582.1057; 310.545
CAS DataBase Reference 7647-01-0(CAS DataBase Reference)
EWG's Food Scores 2-3
FDA UNII QTT17582CB
ATC code A09AB03,B05XA13
IARC 3 (Vol. 54) 1992
NIST Chemistry Reference Hydrogen chloride(7647-01-0)
Pesticides Freedom of Information Act (FOIA) Hydrogen chloride
EPA Substance Registry System Hydrochloric acid (7647-01-0)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H290
Precautionary statements P234-P390
Hazard Codes  T,C,F,Xi,F+,Xn
Risk Statements  36/37/38-37-34-35-23-20-11-67-66-22-19-12-10-40-20/22-39/23/24/25-23/24/25-41-37/38
Safety Statements  26-45-36/37/39-9-33-29-16-46-36/37-39
RIDADR  UN 2924 3/PG 2
WGK Germany  2
RTECS  MW4025000
3
TSCA  Yes
HS Code  2806 10 00
DOT Classification 2.3, Hazard Zone C (Gas poisonous by inhalation)
HazardClass  3
PackingGroup  I
Hazardous Substances Data 7647-01-0(Hazardous Substances Data)
Toxicity LC50 (30 min) in mice, rats: 2142, 5666 ppm (Darmer)
IDLA 50 ppm
NFPA 704:
0
3 1

Hydrochloric acid Price

Hydrochloric acid Chemical Properties,Usage,Production