Nitric acid, fumingHNO3
CAS-No.: | 7697-37-2 |
---|---|
UN-No.: | 2032 |
EC-No.: | 231-714-2 |
Hazard identification number: | 856 |
Hazard signs
*Source: GESTIS Substance Database, https://gestis-database.dguv.de
Occupational exposure limit
ACGIH (US)
- TWA (ppm) 2
- TWA (mg/m3) 5.2
- STEL (ppm) 4
- STEL (mg/m3) 10
NIOSH (REL) (US)
- TWA (ppm) 2
- TWA (mg/m3) 5
- STEL (ppm) 4
- STEL (mg/m3) 10
NIOSH (US)
- IDLH (ppm) 25
OSHA (PEL) (US)
- TWA (ppm) 2
- TWA (mg/m3) 5
- H: 272
May intensify fire; oxidiser.
- H: 290
May be corrosive to metals.
- H: 314
Causes severe skin burns
and eye damage.
- H: 330
Fatal if inhaled
- P: 210
Keep away from heat/
sparks/open flames/hot
surfaces. — No smoking.
- P: 220
Keep/Store away from clothing/…/combustible materials
- P: 280
Wear protective gloves/protective clothing/eye protection/face protection.
- P: 303 + 361 + 353
IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
- P: 304 + 340 + 310
IF INHALED:
Remove victim to fresh air
and keep at rest in a position
comfortable for breathing.
Immediately call a POISON
CENTER or doctor/physician.
- P: 305 + 351 + 338
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact
lenses, if present and easy to do. Continue rinsing.
- EUH: 071
Corrosive to the respiratory tract
No GHS Classification available at the moment.
*Source: GESTIS Substance Database, https://gestis-database.dguv.de
Melting point:
-42 °C Boiling Point:
86 °C Density (at 20 °C, if not notified otherwise):
1,51 g/cm3Ionization:
11.95 ± 0.01 eVVapour Pressure (at 20 °C, if not notified otherwise):
56 hPa
*Source: GESTIS Substance Database, https://gestis-database.dguv.de
Also known as:
- Acids
- Aqua fortis
- Engravers acid
- Hydrogen nitrate
- Nitric acid
- Red fuming nitric acid (RFNA)
- White fuming nitric acid (WFNA)
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