Ammonium bifluoride;
Ammonium hydrogen fluoride;
NH4HF2, CAS no.1341-49-7;
Used as glass etching agent;
Used as antiseptic agent and disinfectant.

Chemical Identification

Common Name:	Ammonium Bifluoride
Synonyms:	Ammonium Acid Fluoride; Ammonium Difluoride; Ammonium Fluoride Acidic; Ammonium Hydrogen Difluoride; Ammonium Hydrogen Fluoride; Etching Powder; Hydrofluoric Acid, Ammonium Salt (1:1);
CAS No.:	1341-49-7
EINECS No.:	215-676-4
Grade:	Industrial Grade
Appearance:	White crystal powder
Density:	1.52
Melting Point:	125.6°C
Boiling Point:	240°C
Stability:	Hygroscopic
Molecular Formula:	NH4HF2
Molecular Weight:	57.04
Molecular Structure:

Product Information

Specifications:

Specifications of Ammonium Hydrogen Fluoride

Product name: Ammonium Hydrogen Fluoride Manufacturer: Ningbo Titan Unichem Co., Ltd.
TEST ITEMS	SPECIFICATIONS
Assay (NH4HF2)	98% min
Loss on drying	1.6% max
Ignition Residue	0.1% max
Sulfate (SO4)	0.1% max
Fluosilicate, (NH4)2SiF6	0.8% max

Pictures:

 

Loading of Ammonium Acid Fluoride from TITAN UNICHEM.

 

Loading of Ammonium Acid Fluoride from TITAN UNICHEM.

Packaging:

• Packed in 25Kg PP-PE woven bag, 20mt/FCL with pallet, 22.5mt/FCL without pallet;

• Or package as per customer's request.

Delivery Lead Time:

• Prompt shipment within 2 weeks.

Storage & Handling:

• Store in a cool, dry and well-ventilated place.

• Store in corrosives area.

• Keep container closed when not in use.

• Keep away from moisture, acids, strong bases.

Safety Information:

Hazard Class:	8
RIDADR:	UN 1727
Packing Group:	II
HS Code:	2826191010
Safety Statements:	S22-S26-S37-S45
Risk Statements:	R25;R34
Hazard Codes:	C: Corrosive

Application

Descriptions of Ammonium Bifluoride:

• Ammonium bifluoride is a colorless crystal powder.

• Ammonium bifluoride is soluble in water and the solution is acidic.

• Ammonium bifluoride can dissolve in alcohol slightly.

• Ammonium bifluoride decomposes into ammonia and ammonium fluoride in hot water.

• Ammonium bifluoride is easily deliquescent and agglomerative in the air.

• Ammonium bifluoride can sublimate in high temperature.

• Ammonium bifluoride etches glass.

• Ammonium bifluoride corrupts skin.

• Ammonium bifluoride is toxic.

Uses of Ammonium Bifluoride:

• Ammonium bifluoride is corrosive to glass and skin, it is mainly used as glass etching agent (together with hydrofluoric acid) for engraved glass.

• Ammonium bifluoride can be used as antiseptic agent and disinfectant in fermentation industry.

• Ammonium bifluoride can be used in the production of metal beryllium from beryllium oxide.

• Ammonium bifluoride can be used in the treatment of the surface of silicon steel plate.

• Ammonium bifluoride can be used as the oxidant in production of ceramic and magnesium alloy.

• Ammonium bifluoride can be used in chemical cleaning of boilers and evaporators.

• Ammonium bifluoride can be used in acidification treatment of sand in oil field.

• Ammonium bifluoride can be used as fluorination reagent in organic synthesis.

• Ammonium bifluoride can be used in extraction of rare element.