아질산칼륨
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아질산칼륨 속성
- 녹는점
- 350 °C (dec.)(lit.)
- 끓는 점
- explodes at 537℃ [HAW93]
- 밀도
- 1,92 g/cm3
- 증기 밀도
- 2.9 (vs air)
- 저장 조건
- Store at +5°C to +30°C.
- 용해도
- 물: 용해성0.35부
- 물리적 상태
- 고체
- 물리적 상태
- 단단한 모양
- Specific Gravity
- 1.915
- 색상
- 흰색에서 약간 노란색
- 수소이온지수(pH)
- 7-10 (50g/l, H2O, 20℃)
- 냄새
- 냄새 없는
- pH 범위
- 7 - 10
- 수용성
- 물, 뜨거운 알코올, 액체 NH3에 용해됩니다. 물, 알코올 및 암모니아에 용해됩니다.
- 감도
- Hygroscopic
- Merck
- 14,7649
- 안정성
- 안정성 안정적이지만 강력한 산화제 - 가연성 물질과 접촉하면 화재가 발생할 수 있습니다. 강한 환원제, 강산, 가연성 물질, 시안화물, 암모늄염과 호환되지 않습니다.
- CAS 데이터베이스
- 7758-09-0(CAS DataBase Reference)
안전
- 위험 및 안전 성명
- 위험 및 사전주의 사항 (GHS)
위험품 표기 | O,T,N | ||
---|---|---|---|
위험 카페고리 넘버 | 8-25-50 | ||
안전지침서 | 45-61 | ||
유엔번호(UN No.) | UN 1488 5.1/PG 2 | ||
WGK 독일 | 2 | ||
RTECS 번호 | TT3750000 | ||
TSCA | Yes | ||
HS 번호 | 2834 10 00 | ||
위험 등급 | 5.1 | ||
포장분류 | II | ||
유해 물질 데이터 | 7758-09-0(Hazardous Substances Data) | ||
독성 | LD50 orally in rabbits: 108 mg anion/kg, Dollahite, Rowe, Southwest. Vet. 27, 246 (1974) | ||
기존화학 물질 | KE-29165 | ||
유해화학물질 필터링 | 97-1-167 | ||
함량 및 규제정보 | 물질구분: 유독물질; 혼합물(제품)함량정보: 아질산 염류 및 이를 25% 이상 함유한 혼합물 |
아질산칼륨 C화학적 특성, 용도, 생산
화학적 성질
Potassium nitrite is a white to yellowish crystalline solid.물리적 성질
White or slight yellow prismatic granules; deliquesc; density 1.915 g/cm3;melts at 440°C; decomposition starts at 350°C; very soluble in water, 281 g/100mL at 0°C; much more soluble in boiling water, 413 g/100mL at 100°C;aqueous solution is alkaline; slightly soluble in cold alcohol but moderately solublel in hot alcohol; very soluble in liquid ammonia; decomposes in acids,liberating brown NO2fumes.용도
Potassium Nitrite is a color fixative in meats which exists as white or yellowish granules or cylindrical sticks. it is very soluble in water. see nitrite.제조 방법
Potassium nitrite may be prepared by fusion of nitrate with lead:KNO3+ Pb →KNO2+ PbO
The product is extracted with water and allowed to crystallize. Filtration separates nitrite from insoluble lead oxide.
Potassium nitrite also may be obtained by high temperature thermal decomposition of nitrate:
2KNO3→2KNO2+ O2↑.
생산 방법
Potassium nitrite, KNO2, yellowish-white solid, soluble, for med (1) by reaction of nitric oxide plus nitrogen tetroxide and potassium carbonate or hydroxide, and then evaporating, (2) by heating potassium nitrate and lead to a high temperature and then extracting the soluble portion (lead monoxide insoluble) with H2O, and evaporating.정의
potassium nitrite: A white orslightly yellow deliquescent solid,KNO2, soluble in water and insolublein ethanol; r.d. 1.91; m.p. 440°C; mayexplode at 600°C. Potassium nitrite isprepared by the reduction of potassiumnitrate. It reacts with cold dilutemineral acids to give nitrousacid and is also able to behave as areducing agent (if oxidized to the nitrate)or as an oxidizing agent (if reducedto nitrogen). It is used inorganic synthesis because of its partin diazotization, and in detecting thepresence of the amino groups in organiccompounds.일반 설명
A yellowish white crystalline solid. Noncombustible but accelerates the burning of all combustible material. If large quantities are involved in fire or if the combustible material is finely divided, an explosion may result. May explode under prolonged exposure to heat. Toxic oxides of nitrogen are produced in fires. Used to make other chemicals and in chemical analysis.공기와 물의 반응
Water soluble.반응 프로필
POTASSIUM NITRITE is an oxidizing agent. Mixtures with phosphorus, tin(II) chloride or other reducing agents may react explosively [Bretherick 1979 p. 108-109]. Contamination by ammonium compounds can initiate spontaneous decomposition. The resulting heat may ignite surrounding combustible material. Reacts with acids to form toxic nitrogen dioxide gas. Mixing with liquid ammonia forms diPOTASSIUM NITRITE, which is very reactive and easily explosive [Mellor 2, Supp. 3:1566 1963]. Melting together with an ammonium salt leads to a violent explosion [Von Schwartz 1918 p. 299]. A mixture with potassium cyanide may cause an explosion. When a little ammonium sulfate is added to fused POTASSIUM NITRITE, a vigorous reaction occurs attended by flame [Mellor 2:702. 1946-47].위험도
Fire and explosion risk when shocked or heated, or in contact with organic materials, strong oxidizing agent.건강위험
Inhalation, ingestion or contact (skin, eyes) with vapors or substance may cause severe injury, burns or death. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may cause pollution.화재위험
These substances will accelerate burning when involved in a fire. Some may decompose explosively when heated or involved in a fire. May explode from heat or contamination. Some will react explosively with hydrocarbons (fuels). May ignite combustibles (wood, paper, oil, clothing, etc.). Containers may explode when heated. Runoff may create fire or explosion hazard.Safety Profile
Poison by ingestion. Human systemic effects: tinnitus, pulse rate increase, blood pressure lowering. Experimental teratogenic and reproductive effects. Nitrites have been implicated in an increased incidence of cancer. Mutation data reported. Flammable when exposed to heat or flame. A powerful oxidzing material. Slight explosion hazard when exposed to heat. It wdl explode at 1000°F. Explosive reaction with potassium amide + heat, potassium cyanide or other cyanide salts + heat. Violent reaction or ignition with ammonium salts (e.g., ammonium sulfate), boron. Disproportionates on heating in the absence of air forming KNO3 and K2O and evolving N2. Upon decomposition it emits toxic fumes of K2O. See also NITRITES.잠재적 노출
Potassium nitrite is used in chemical analysis, as a food additive; in fertilizers; in medications as a vasodilator and as antidote for cyanide poisoning.운송 방법
UN1488 Potassium nitrite, Hazard Class: 5.1; Labels: 5.1-Oxidizer. UN1479 Oxidizing solid, n.o.s., Hazard Class: 5.1; Labels: 5.1-Oxidizer, Technical Name Required.Purification Methods
A saturated solution at 0o is warmed and partially evaporated under vacuum. The crystals so obtained are filtered off from the warm solution. (This procedure is designed to reduce the level of nitrate impurity and is based on the effects of temperature on solubility. The solubility of KNO3 in water is 13g/100mL at 0o, 247g/100mL at 100o; for KNO2 the corresponding figures are 280g/100mL and 413g/100mL.) Alternatively, dissolve it in H2O and precipitate by adding of EtOH.비 호환성
A strong oxidizer. Reacts violently with combustible and reducing materials. Heat above 530 ? C may cause explosion. Incompatible with cyanide salts; boron, ammonium sulfate; potassium amide; and acids. Decomposes on contact with even weak acids producing toxic nitrogen oxide fumes.아질산칼륨 준비 용품 및 원자재
원자재
준비 용품
아질산칼륨 공급 업체
글로벌( 205)공급 업체
공급자 | 전화 | 이메일 | 국가 | 제품 수 | 이점 |
---|---|---|---|---|---|
Hebei Mojin Biotechnology Co., Ltd | +8613288715578 |
sales@hbmojin.com | China | 12450 | 58 |
Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 |
info@tianfuchem.com | China | 21668 | 55 |
Hubei Jusheng Technology Co.,Ltd. | 18871490254 |
linda@hubeijusheng.com | CHINA | 28180 | 58 |
Hebei Guanlang Biotechnology Co., Ltd. | +86-19930503282 |
alice@crovellbio.com | China | 8822 | 58 |
Hubei xin bonus chemical co. LTD | 86-13657291602 |
linda@hubeijusheng.com | CHINA | 22968 | 58 |
Shandong chuangyingchemical Co., Ltd. | 18853181302 |
sale@chuangyingchem.com | CHINA | 5909 | 58 |
Chongqing Chemdad Co., Ltd | +86-023-6139-8061 +86-86-13650506873 |
sales@chemdad.com | China | 39916 | 58 |
CONIER CHEM AND PHARMA LIMITED | +8618523575427 |
sales@conier.com | China | 49391 | 58 |
career henan chemical co | +86-0371-86658258 +8613203830695 |
factory@coreychem.com | China | 29825 | 58 |
Antai Fine Chemical Technology Co.,Limited | 18503026267 |
info@antaichem.com | CHINA | 9641 | 58 |
아질산칼륨 관련 검색:
아질산칼륨 질산칼륨
Sodium nitrite
Isobutyl nitrite
Isoamyl nitrite
Nitrite ion standard solution
SODIUM NITRITE-15N
SODIUM COBALTINITRITE
tert-Butyl nitrite
Nitrite solution standard substance
Sodium sulfite
METHYL LINOLENATE
Sodium bisulfite
POTASSIUM HEXAFLUOROARSENATE
Potassium polyacrylate
Potassium metaphosphate
POTASSIUM HEXAFLUOROANTIMONATE
POTASSIUM SELENOCYANATE