Basic information
- Name:
Ammonium fluoride
- CAS No.:
12125-01-8
- Molecular Structure:
- Formula:
- FH4N
- Molecular Weight:
- 37.05
- Deleted CAS:
- 102089-31-6|124633-37-0|133332-88-4|153985-02-5|15818-75-4|16099-75-5|161288-32-0|178115-94-1|204322-87-2|215303-13-2|357290-87-0|502760-32-9|70786-97-9|950196-00-6
- Synonyms:
- Ammoniumfluoride (8CI);Ammonium fluoride (FH4N);Neutral ammonium fluoride;Wako013-03095;
- EINECS:
- 235-185-9
- Density:
- 1.009 g/cm3
- Melting Point:
- 98 °C
- Boiling Point:
- 115 °C at 760 mmHg
- Solubility:
- soluble in water
- Appearance:
- white crystals
- Hazard Symbols:
T- Risk Codes:
- 23/24/25
- Safety Description:
- 26-45-1/2-36/37/39 Details
- Transport Information:
- UN 2505 6.1/PG 3
- Method:
- Recrystallization.
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Chemistry
Product Name: Ammonium fluoride (CAS NO.12125-01-8)
Molecular Formula: NH4F
Molecular Weight: 37.04g/mol
Mol File: 12125-01-8.mol
EINECS: 235-185-9
Melting Point: 98°C
Boiling point: 115 °C at 760 mmHg
Storage Temperature: Store at RT.
Water Solubility: soluble
Stability: Stable. Incompatible with strong oxidizing agents, water, most common metals, strong bases, strong acids. Attacks glass.
Enthalpy of Vaporization: 23.33 kJ/mol
Vapour Pressure: 5990 mmHg at 25°C
H-Bond Donor: 2
H-Bond Acceptor: 2
Structure Descriptors of Ammonium fluoride (CAS NO.12125-01-8):
IUPAC Name: azane hydrofluoride
Canonical SMILES: N.F
InChI: InChI=1S/FH.H3N/h1H;1H3
InChIKey: LDDQLRUQCUTJBB-UHFFFAOYSA-N
Product Categories: Industrial/Fine Chemicals; Inorganic Chemicals;Inorganics; A-B, Puriss p.a. ACS; Analytical Reagents for General Use; Puriss p.a. ACS; Fluoride Sources; Fluoride SourcesMicro/Nanoelectronics; Deprotecting Reagents; Electronic Chemicals; Protection and Derivatization; Semiconductor Grade Chemicals; Ammonium Salts; Metal and Ceramic Science; Salts; ACS GradeSynthetic Reagents; Ammonium; Essential Chemicals; Inorganic Salts; Routine Reagents
Toxicity Data With Reference
| 1. | ipr-rat LD50:31 mg/kg | XEURAQ U.S. Atomic Energy Commission, University of Rochester, Research and Development Reports. (Rochester, NY) UR-154 ,1951. | ||
| 2. | scu-frg LDLo:280 mg/kg | CRSBAW Comptes Rendus des Seances de la Societe de Biologie et de Ses Filiales. 124 (1937),133. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Poison by subcutaneous and intraperitoneal routes. See also FLUORIDES. When heated to decomposition it emits very toxic fumes of F−, NOx, and NH3. Incompatible with ClF3.
Hazard Codes: 
T
The Risk Statements information of AMMONIUM FLUORIDE:
23/24/25: Toxic by inhalation, in contact with skin and if swallowed
The Safety Statements information of AMMONIUM FLUORIDE:
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
1/2: Keep locked up and out of the reach of children
36/37/39: Wear suitable protective clothing, gloves and eye/face protection
Standards and Recommendations
OSHA PEL: TWA 2.5 mg(F)/m3
ACGIH TLV: TWA 2.5 mg(F)/m3; BEI: 3 mg/g creatinine of fluorides in urine prior to shift; 10 mg/g creatinine of fluorides in urine at end of shift.
NIOSH REL: (fluorides, inorganic) TWA 2.5 mg(F)/m3
DOT Classification: 6.1; Label: KEEP AWAY FROM FOOD
Specification
Ammonium fluoride , its CAS NO. is 12125-01-8, the synonyms are Fluorure d'ammonium ; Neutral ammonium fluoride ; Fluorek amonowy .
