AMMONIUM CHLORIDE FUME

Chemical Identification
CAS # 12125-02-9
Formula

ClH₄N

Synonyms

ammonium chloride; ammonium muriate fume; sal ammoniac fume

Physical Properties
Physical description Finely divided, odorless, white particulate dispersed in air.
Boiling point sublimes Molecular weight 53.5
Freezing point/melting point 662°F (sublimes) Vapor pressure 1 mmHg at 321°F
Flash point Vapor density
Specific gravity 1.53 Ionization potential
Lower explosive limit (LEL) Upper explosive limit (UEL)
NFPA health rating 2 NFPA fire rating 0
NFPA reactivity rating 0 NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs
Monitoring Methods Used by OSHA
Analyte code (IMIS no.) 0175
Sampling group
Sampler/Sampling media Mixed cellulose ester filter (MCEF) 0.8 micron (37 mm) and filter spacer with Na₂CO₃ impregnated backup pad, in a 3-piece cassette [SKC 225-9001]
Sampling time*

240 min

Sampling volume (TWA)*

480 L

Sampling flow rate (TWA)*

2 L/min

Sampling volume (STEL/Peak/C)*

30 L

Sampling flow rate (STEL/Peak/C)*

0.5 L/min

Analytical method instruments IC
Method reference OSHA ID-188 (fully validated)
Notes

Known interferences with the ammonium ion by IC with the current conditions: Methyl- and dimethylamine, mono- and diethanolamine, iso- and propanolamine

Special requirements

* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Wipe Method
Sampler/Sampling media
Bulk Method
Bulk Method
On-Site Screening Techniques
Device
Model/Type
Sampling information
(see manufacturer instructions)
Exposure Limits
OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
NIOSH REL
Up to 10-hour TWA
(ST) STEL
(C) Ceiling
ACGIH TLV©
8-hour TWA
(ST) STEL
(C) Ceiling
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA REL-TWA

10 mg/m³

TLV-TWA

10 mg/m³ [1970]

PEL-TWA

10 mg/m³

PEL-STEL REL-STEL

20 mg/m³

TLV-STEL

20 mg/m³ [1970]

PEL-STEL
PEL-C REL-C TLV-C PEL-C
Skin notation

NA

Skin notation

N

Skin notation

N

Skin notation

N

Notes:

Not established

Notes: Notes: Notes:
Health factors:  See NIH-NLM PubChem. IDLH
Carcinogenic classifications: Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Last Updated Date : 12/17/2020