중불화암모늄

불화암모늄 · 이플루오르화수소암모늄 · 이플루오르화암모늄 · 플루오르화산암모늄 · 플루오르화수소암모늄(NH5F2) · 플루오르화암모늄(NH4HF2) · 플루오르화암모늄산 · 디플루오르화암모늄

https://huagongshe.com/ko/chemical/14935

식별자 및 물리적 특성

CAS No.	1341-49-7
분자식	F2H.H4N
평균 분자량	57.044 g/mol
단동위원소 질량	57.0390056 g/mol
SMILES	F.[F-].[NH4+]
InChIKey	KVBCYCWRDBDGBG-UHFFFAOYSA-N
PubChem CID	14935
EC No.	215-676-4
DTXSID	DTXSID9029645
현지명	중불화암모늄

화학 및 물리적 성질

극성 표면적	1
수소 결합 공여자 수	2
수소 결합 수용자 수	2
회전 가능 결합 수	0
무거운 원자 수	3
형식 전하	0
복잡도	0
물질 분류	Other Classes -> Fluorides, InorganicCorrosives
pH	pH = 3.5 (5% solution)2 (5.7g/l, H2O, 20℃)
냄새	Odorless산성 냄새
밀도	1.5 at 68 °F (USCG, 1999) - Denser than waterwill sink1.50 g/cu cm1.50 @25 °C1,5 g/cm3
Color/Form	Rhombic or tetragonal crystalsOrthorhombic crystalsWhite crystals
용해도	Solubility in 90% ethanol = 1.73X10+5 mg/LIn water, 6.02X10+5 mg/L at 20 °C630g/L
Corrosivity	Will etch glassIn presence of moisture will corrode glass, cement, and most metals.
끓는 점	463.1 °F at 760 mmHg (Decomposes at 446 °F) (USCG, 1999)240 °C (decomposes)240 °C @760 [mm Hg]230 °C
Decomposition	When heated to decomposition it emits toxic fumes of /hydrogen flouride, nitrogen oxides and ammonia/.
녹는점	258 °F (USCG, 1999)125.6 °C126 °C125 °C(lit.)
Food Contact Substances	FCS -> FDA Inventory of Food Contact Substances Listed in 21 CFR
굴절률	Index of refraction = 1.390
증기압	1 hPa (20 °C)
인화점	238°C
저장 조건	Store at room temperature.
물리적 상태	고체
pKa(산도 계수)	6.3[at 20 ℃]
색상	하얀색
비중	1.5
용해도	630g/L(20℃)
Merck	14,498
안정성	흡습성
InChI	1S/2FH.H3N/h2*1H1H3
InChIKey	KVBCYCWRDBDGBG-UHFFFAOYSA-N
SMILES	N.F.F
EPA	Ammonium bifluoride (1341-49-7)

화학적 성질

white scales or flakes, also referred to asammonium hydrogen fluoride, anunonium difluoride and anunonium acid fluoride.

안전 및 규제

GHS 분류	DangerH301: Toxic if swallowed [Danger Acute toxicity, oral]P260, P264, P270, P280, P301+P316, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P330, P363, P405, and P501 (click each P-code to see the statement)H301 (100%): Toxic if swallowed [Danger Acute toxicity, oral]P260, P261, P262, P264, P264+P265, P270, P271, P280, P301+P316, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P321, P330, P361+P364, P363, P403+P233, P405, and P501 (click each P-code to see the statement)
규제 정보	Chemical: Ammonium fluoride, ((NH4)(HF2))Ammonium fluoride ((NH4)(HF2)) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Ammonium fluoride ((NH4)(HF2)) are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)Status: Active Update: 15-11-2022 https://echa.europa.eu/registration-dossier/-/registered-dossier/14195Ammonium fluoride: Does not have an individual approval but may be used under an appropriate group standardThe New Jersey Worker and Community Right to Know Act requires public and private employers to provide information about hazardous substances at their workplaces. (N.J.S.A. 34:5A-1 et. seq.)
기타 안전 정보	IMAP assessments - Bifluorides: Human health tier II assessment
운송 라벨(DOT)	CorrosiveCorrosive Poison
화재 위험	Special Hazards of Combustion Products: Toxic ammonia, hydrogen fluoride, hydrofluoric acid, and hydrogen gases may form in fire. (USCG, 1999)Excerpt from ERG Guide 154 [Substances - Toxic and/or Corrosive (Non-Combustible)]:· Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.
건강 유해성	Inhalation of dust may cause irritation of the respiratory system. Ingestion causes irritation of mouth and stomach, vomiting, abdominal pain, convulsions, collapse, acute toxic nephritis. Contact with dust irritates eyes and may cause chemical burns or rash on skin. High concs. of fluorine in the urine have been reported following skin contact. (USCG, 1999)Excerpt from ERG Guide 154 [Substances - Toxic and/or Corrosive (Non-Combustible)]:

용도

In manufacture of Mg and Mg alloys; in brightening of Al; for purifying and cleansing various parts of beer-dispensing apparatus, tubes, etc., sterilizing dairy and other food equipment; in glass and porcelain industries; as mordant for aluminum; as a "sour" in laundering cloth. In lab production of HF.

일반 설명

Ammonium bifluoride solution is the white crystalline solid dissolved in water. Ammonium hydrogen difluoride is corrosive to metals and tissue. Ammonium hydrogen difluoride is used in ceramics.