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나트륨아미드

나트륨아미드
나트륨아미드 구조식 이미지
카스 번호:
7782-92-5
한글명:
나트륨아미드
동의어(한글):
나트륨아마이드;나트륨아미드;소다미드;나트륨아마이드;나트륨 아마이드
상품명:
Sodium amide
동의어(영문):
m amide;SODAMIDE;Natriumamid;Aminosodium;SODIUM AMIDE;Sodiumamide,94%;SODIUM AMIDE 95%;Sodium amide, 98.5%;sodiumamide(na(nh2));sodium amide,sodamide
CBNumber:
CB9362037
분자식:
H2NNa
포뮬러 무게:
39.01
MOL 파일:
7782-92-5.mol

나트륨아미드 속성

녹는점
210 °C (lit.)
끓는 점
400 °C (lit.)
밀도
1.39 g/cm3 (25℃)
인화점
85 °F
저장 조건
Store below +30°C.
물리적 상태
crystalline
색상
Greyish white powder
냄새
Ammonia like
수용성
REACTS VERY VIOLENTLY, EVEN EXPLOSIVELY
감도
Air & Moisture Sensitive
Merck
14,8576
안정성
Stability Flammable. Reacts violently with water producing very toxic fumes. In case of fire do not use water, but instead smother with soda ash. May form explosive peroxides if heated, or if stored for extended periods in contact with air or oxygen. Incompatible with water and aqueous solutions, carbon dioxide, halogenated hydrocarbo
CAS 데이터베이스
7782-92-5(CAS DataBase Reference)
EPA
Sodium amide (Na(NH2)) (7782-92-5)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 F,C,Xi,N
위험 카페고리 넘버 14/15-19-34-20/21-10-67-65-63-48/20-11-36/37-15/29-14-50-29
안전지침서 26-43-45-62-7/8-43D-36/37/39-27-16-61
유엔번호(UN No.) UN 3129 4.3/PG 2
WGK 독일 2
F 고인화성물질 3-10-23
자연 발화 온도 450 °C
TSCA Yes
HS 번호 2853 90 90
위험 등급 4.3
포장분류 II
유해 물질 데이터 7782-92-5(Hazardous Substances Data)
기존화학 물질 KE-31348
그림문자(GHS):
신호 어: Danger
유해·위험 문구:
암호 유해·위험 문구 위험 등급 범주 신호 어 그림 문자 P- 코드
H225 고인화성 액체 및 증기 인화성 액체 구분 2 위험 P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H261 물과 접촉시 인화성가스를 발생시킴 물반응성 물질 및 혼합물 구분 2
구분 3
위험
경고
P231+P232, P280, P370+P378,P402+P404, P501
H304 삼켜서 기도로 유입되면 치명적일 수 있음 흡인 유해성물질 구분 1 위험
H314 피부에 심한 화상과 눈에 손상을 일으킴 피부부식성 또는 자극성물질 구분 1A, B, C 위험 P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
H318 눈에 심한 손상을 일으킴 심한 눈 손상 또는 자극성 물질 구분 1 위험 P280, P305+P351+P338, P310
H336 졸음 또는 현기증을 일으킬 수 있음 특정표적장기 독성 물질(1회 노출);마취작용 구분 3 경고 P261, P271, P304+P340, P312,P403+P233, P405, P501
H373 장기간 또는 반복 노출되면 장기(또는, 영향을 받은 알려진 모든 장기를 명시)에 손상을 일으킬 수 있음 특정 표적장기 독성 - 반복 노출 구분 2 경고 P260, P314, P501
H400 수생생물에 매우 유독함 수생 환경유해성 물질 - 급성 구분 1 경고 P273, P391, P501
예방조치문구:
P210 열·스파크·화염·고열로부터 멀리하시오 - 금연 하시오.
P223 물과 접촉하지 마시오.
P261 분진·흄·가스·미스트·증기·...·스프레이의 흡입을 피하시오.
P273 환경으로 배출하지 마시오.
P280 보호장갑/보호의/보안경/안면보호구를 착용하시오.
P231+P232 불활성 기체 하에서 취급하고, 습기를 방지하시오.
P310 즉시 의료기관(의사)의 진찰을 받으시오. 삼켰다면 즉시 의료기관(의사)의 도움을 받으시오.
P303+P361+P353 피부(또는 머리카락)에 묻으면 오염된 모든 의복은 벗거나 제거하시오 피부를 물로 씻으시오/샤워하시오.
P305+P351+P338 눈에 묻으면 몇 분간 물로 조심해서 씻으시오. 가능하면 콘택트렌즈를 제거하시오. 계속 씻으시오.
P405 밀봉하여 저장하시오.
P422 적절한 물질을(를) 충진하여 보관하시오.

나트륨아미드 C화학적 특성, 용도, 생산

화학적 성질

grey powder

물리적 성질

White crystalline powder with odor of ammonia; orthogonal crystals; density 1.39 g/cm3; melts at 210°C; begins to volatilize at 400°C; decomposes at 500°C; decomposed by water and hot alcohol; in fused state it dissolves zinc, magnesium and other metals, as well as, quartz, glass, and silicates.

용도

Reagent for: Synthesis of allylic amines and amides1 Synthesis of antibacterials2 Aggregative activation and heterocyclic chemistry3 Phenylation with diphenyliodonium chloride4

용도

Dehydrating agent. In the production of indigo and hydrazine. Intermediate in the preparation of sodium cyanide. In ammonolysis reactions, in Claisen condensations, alkylation of nitriles and ketones, synthesis of ethynyl Compounds, acetylenic carbinols. Fused NaNH2 dissolves metallic Mg, Zn, Mo, W, quartz, glass, silicates and other substances.

제조 방법

Sodium amide is prepared by passing dry ammonia gas over sodium metal at 350°C: 2Na + 2NH3 → 2NaNH2 + H2Also, it may be prepared by reacting sodium metal with liquid ammonia in the presence of a catalyst such as iron(III) nitrate. The compound must be stored in well-sealed containers free from air or moisture.

정의

A white ionic solid formed by passing dry ammonia over sodium at 300–400°C. The compound reacts with water to give sodium hydroxide and ammonia. It reacts with red-hot carbon to form sodium cyanide and with nitrogen(I) oxide to form sodium azide. Sodamide is used in the Castner process and in the explosives industry.

화학 반응

Sodamide, sodamine, NaNH2, white solid, formed by reaction of sodium metal and dry NH3 gas at 350 °C (662 °F), or by solution of the metal in liquid ammonia. Reacts with carbon upon heating, to form sodium cyanide, and with nitrous oxide to form sodium azide, NaN3.

일반 설명

Odorless colorless solid. Denser than water.

공기와 물의 반응

Highly flammable. Reacts violently with water and bursts into flame.

반응 프로필

Sodium amide is a powerful reducing agent. Reacts violently with oxidizing agents. Reacts violently with steam and water to form caustic NaOH and NH3 vapors [Bergstrom et al., Chem. Reviews, 12:6 1932]. May form explosive compounds in the presence of water and carbon dioxide [Handling Chemicals Safely 1980 p 826]. Liable to deflagration upon heating and friction. Forms an explosive peroxide on storage. When Sodium amide and chromic anhydride are mixed together a vigorous reaction results; the same occurs with other oxidizing agents including dinitrogen tetraoxide, potassium chlorate, sodium nitrite. [Mellor 11:234 1946-47]. Reaction with 1,1-diethoxy-2- chloroethane produces sodium ethoxyacetylide, which is extremely pyrophoric [Rutledge 1968 p. 35]. Reactions with halogenated hydrocarbons may be violently explosive. Sodium amide forms toxic and flammable H2S gas with CS2. (714).

위험도

Flammable, dangerous fire risk.

건강위험

Ammonia gas formed by reaction of solid with moisture irritates eyes and skin. Solid causes caustic burns of eyes and skin. Ingestion burns mouth and stomach in same way as caustic soda and may cause perforation of tissue.

화재위험

Special Hazards of Combustion Products: Toxic and irritating ammonia gas may be formed.

Safety Profile

An intense irritant to tissue, skin, and eyes. Flammable by chemical reaction. Ignites or explodes with heat or grinding. Explosive reaction with moisture, chromium trioxide, potassium chlorate, halocarbons (e.g., 1,l -diethoxy-2chloroethane), oxidants, sodium nitrite, air. Can become explosive in storage. Violent reaction with dinitrogen tetraoxide. Will react with water or steam to produce heat and toxic and corrosive fumes of sodium hydroxide and ammonia. When heated to decomposition it emits highly toxic fumes of NH3 and Na2O. See also AMIDES.

Purification Methods

It reacts violently with H2O and is soluble in liquid NH3 (1% at 20o). It should be stored in wax-sealed containers in small batches. It is very hygroscopic and absorbs CO2 and H2O. If the solid is discoloured by being yellow or brown in colour, then it should be destroyed as it can be highly EXPLOSIVE. It should be replaced if discoloured. It is best destroyed by covering it with much toluene and slowly adding dilute EtOH with stirring until all the ammonia is liberated (FUME CUPBOARD). [Dennis & Bourne Inorg Synth I 74 1939, Schenk in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol I p 465 1963, Bergstrom Org Synth Coll Vol III 778 1955.]

나트륨아미드 준비 용품 및 원자재

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