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실란

실란
실란 구조식 이미지
카스 번호:
7803-62-5
한글명:
실란
동의어(한글):
실란;실레인
상품명:
Silicon tetrahydride
동의어(영문):
SiH4;SILANE;Silicane;Monosilane;flots100sco;tetrahydrure;Silicomethane;methylsilicane;Silicon hydride;Silaneinnitrogen
CBNumber:
CB4854366
분자식:
H4Si
포뮬러 무게:
32.12
MOL 파일:
7803-62-5.mol

실란 속성

녹는점
-185 °C
끓는 점
-112 °C
밀도
1.114 g/mL at 25 °C(lit.)
증기 밀도
1.1 (vs air)
물리적 상태
colorless gas
수용성
decomposed by H2O; insoluble alcohol, benzene [HAW93]
Merck
13,8562
노출 한도
TLV-TWA 5 ppm (6.5 mg/m3) (ACGIH).

안전

위험품 표기 F+,Xn
위험 카페고리 넘버 12-17-20
안전지침서 9-16-33-36/37/39
유엔번호(UN No.) UN 2203 2.1
WGK 독일 1
RTECS 번호 VV1400000
TSCA Yes
위험 등급 2.1

실란 C화학적 특성, 용도, 생산

화학적 성질

Silane is a colorless, pyrophoric gas with a repulsive odor.

용도

It is used for doping of solid-state devicesand for preparing semiconducting silicon forthe electronic industry.

용도

Source of hyperpure silicon for semiconductors.

정의

ChEBI: The simplest silane, consisting of a single silicon atom carrying four hydrogens.

일반 설명

Silicon tetrahydride is a colorless, flammable and poisonous gas, with a strong repulsive odor. Silicon tetrahydride is easily ignited in air, reacts with oxidizing agents, is very toxic by inhalation, and is a strong irritant to skin, eyes and mucous membranes. Silicon tetrahydride is lighter than air. Under prolonged exposure to fire or heat the containers may rupture violently and rocket. Silicon tetrahydride is used in the production of amorphous silicon.

공기와 물의 반응

Highly flammable. Pure state ignites in air, the first seven to eight of the series 6H2n+1 ignite spontaneously in air at room temperature or slightly elevated temperatures [Mellor 1:376 1946-47]. Slowly reacts with water to form silicon hydroxides and hydrogen gas.

반응 프로필

Slowly reacts with water to form silicon hydroxides and hydrogen gas [Hydrides of the Elements of Main Groups I - IV 1971 p.513]. Silicon tetrahydride burns in contact with bromine, chlorine or covalent chlorides (carbonyl chloride, antimony pentachloride, tin(IV) chloride). Even traces of the free halogens may cause violent explosions, when handling Silicon tetrahydride, extreme caution should be taken, [Mellor, 1940, Vol. 6, 220]. Mixtures of Silicon tetrahydride and nitrogen oxides, nitrous oxide, detonate very easily, [Chem. Abs., 1990, 112, 121711].

위험도

Dangerous fire risk, ignites spontaneously in air. Strong irritant to tissue, skin and upper res- piratory tract.

건강위험

Vapors may cause dizziness or asphyxiation without warning. Some may be toxic if inhaled at high concentrations. Contact with gas or liquefied gas may cause burns, severe injury and/or frostbite. Fire may produce irritating and/or toxic gases.

건강위험

Very little information has been published onthe toxicology of this compound. The acutetoxicity of silane is much less than that ofgermane. Among the hydrides of group IVBelements, the toxicity of silane falls betweenthe nontoxic methane and moderately toxicgermane. Inhalation of the gas can causerespiratory tract irritation. A 4-hour exposureto a concentration of about 10,000 ppm in airproved fatal to rats.

화재위험

EXTREMELY FLAMMABLE. Will be easily ignited by heat, sparks or flames. Will form explosive mixtures with air. Silicon tetrahydride will ignite spontaneously in air. Vapors from liquefied gas are initially heavier than air and spread along ground. Vapors may travel to source of ignition and flash back. Cylinders exposed to fire may vent and release flammable gas through pressure relief devices. Containers may explode when heated. Ruptured cylinders may rocket.

색상 색인 번호

Various silane derivatives are used as bonding agents between glass and the resin used as a coating agent of glass filaments. Organosilanes have been implicated as sensitizers in workers at a glass filament manufactory.

Safety Profile

Mildly toxic by inhalation. Silanes are irritating to skin, eyes, and mucous membranes. Easily ipted in air. Explosive reaction or ignition on contact with halogens or covalent halides (e.g., bromine, chlorine, carbonyl chloride, antimony pentachloride, tin(Iv> chloride). Ignites in oxygen. Can react with oxidizers. It may self-explode. When heated to decomposition it burns or explodes.

잠재적 노출

Silane is used as a doping agent for solid-state devices; as a source of silicon for semiconductors; and in the production of amorphous silicon.

운송 방법

UN2203 Silane, Hazard Class: 2.1; Labels: 2.1-Flammable gas. Cylinders must be transported in a secure upright position, in a well-ventilated truck. Protect cylinder and labels from physical damage. The owner of the compressed gas cylinder is the only entity allowed by federal law (49CFR) to transport and refill them. It is a violation of transportation regulations to refill compressed gas cylinders without the express written permission of the owner.

비 호환성

An extremely flammable gas. Forms explosive mixture with air; may spontaneously ignite in air. A strong reducing agent. Reacts slowly with water forming silicon hydroxides and flammable hydrogen gas. Reacts with oxidizing agents; halogens , potassium hydroxide solution. Explodes in oxygen. Decomposes on heating or on burning producing silicon and hydrogen.

폐기물 처리

Return refillable compressed gas cylinders to supplier. Dispose by controlled burning or seal cylinders and return to suppliers.

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