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티오황산 암모늄

티오황산 암모늄
티오황산 암모늄 구조식 이미지
카스 번호:
7783-18-8
한글명:
티오황산 암모늄
동의어(한글):
싸이오황산암모늄;티오황산암모늄;싸이오황산암모늄
상품명:
Ammonium thiosulfate
동의어(영문):
amthio;ammohypo;thio-sul;Ammoniumthiosulfat;Ammonuim thiosulfite;AMMONIUM THIOSULFATE;AMMONIUM HYPOSULFITE;ammonium thiosulate ;diammoniumthiosulfate;AMMONIUM THIOSULPHATE
CBNumber:
CB8171755
분자식:
H8N2O3S2
포뮬러 무게:
148.21
MOL 파일:
7783-18-8.mol

티오황산 암모늄 속성

녹는점
180°C (dec.)
밀도
1.679 g/mL at 25 °C(lit.)
용해도
H2O: very soluble(lit.)
물리적 상태
Crystalline Powder
색상
White
수용성
Soluble in water, slightly soluble in acetone. Insoluble in ethanol and diethyl ether.
감도
Hygroscopic
Merck
14,562
안정성
Stable. Hygroscopic.
CAS 데이터베이스
7783-18-8(CAS DataBase Reference)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험 카페고리 넘버 33-36/37/38
안전지침서 26-37
WGK 독일 1
RTECS 번호 XN6465000
TSCA Yes
HS 번호 28323000
그림문자(GHS):
신호 어:
유해·위험 문구:
암호 유해·위험 문구 위험 등급 범주 신호 어 그림 문자 P- 코드
H303 삼키면 유해할 수 있음 급성 독성 물질 - 경구 구분 5 P312
예방조치문구:

티오황산 암모늄 C화학적 특성, 용도, 생산

화학적 성질

white or colourless crystals

화학적 성질

Ammonium thiosulfate is a white crystalline solid with an ammonia odor.

용도

To clean "white" metal; in photography; in lubricants for metal cold-working.

일반 설명

AMMONIUM THIOSULFATE is a white crystalline solid. AMMONIUM THIOSULFATE is very soluble in water. The primary hazard is the threat posed to the environment. Immediate steps should be taken to limit its spread to the environment. AMMONIUM THIOSULFATE is used in photography, in chemical analysis, and for many other uses.

공기와 물의 반응

Hygroscopic. Very soluble in water.

반응 프로필

AMMONIUM THIOSULFATE is sensitive to heat. AMMONIUM THIOSULFATE is incompatible with magnesium and aluminum powder. Mixtures with sodium chlorate can cause an exothermic reaction which can then decompose explosively. . Reacts with strong oxidizers such as chlorates, nitrates, and nitrites to release toxic ammonia, hydrogen sulfide, and sulfur trioxide gases. Will not polymerize. Ammonia, hydrogen sulfide, and oxides of nitrogen and oxides of sulfur may form in fires [USCG, 1999].

건강위험

Inhalation of dust may irritate respiratory system. Ingestion could be harmful. Contact with eyes or skin may cause irritation.

화재위험

Special Hazards of Combustion Products: Toxic ammonia, hydrogen sulfide, and oxides of nitrogen and sulfur may form in fires.

농업용

Ammonium thiosulphate, [(NH4)2S2O3 or ATS] is a crystalline salt, the aqueous solution of which is commonly used as a liquid fertilizer. Crystalline ammonium thiosulphate contains 19% nitrogen and 43 % sulphur and its aqueous solution contains 12% nitrogen and 26 % sulphur.
Ammonium thiosulphate is compatible with nitrogen and nitrogen-potassium solutions, which are neutral or slightly acidic (pH 5.8). It is also used as a suspension: As it is non-corrosive, it can be stored in steel or aluminumdrums.
Ammonium thiosulphate is prepared by the reaction of sulphur dioxide and aqueous ammonia, followed by a further reaction with elemental sulphur.
ATS can be applied directly to soils or as a foliar spray through sprinkler irrigation systems. When applied to soils, ATS decomposes into ammonium sulphate and colloidal sulphur. The ammonium sulphate is available immediately to plants, while the sulphur gets oxidized over a period of time to sulphate ion (SO42-) It is thus available to plants for a longer time. Ammonium thiosulphate also acts as a urease inhibitor. When added to a urea-ammonium nitrate solution, it inhibits urease activity for a month or so. In industry, it is also used as a photographic fixing agent, analytical reagent, fungicide and as a brightener in silverplating baths.

잠재적 노출

Used as an agricultural chemical and fungicide, metal lubricant; in cleaning metals; in photographic chemicals, making other chemicals. A laboratory reagent.

운송 방법

UN3077 Environmentally hazardous substances, solid, n.o.s., Hazard class: 9; Labels: 9-Miscellaneous hazardous material, Technical Name Required.

비 호환성

Contact with sodium chlorate may cause a violent reaction. Corrodes brass, copper, and copperbased metals.

폐기물 처리

Incinerate. It may be possible to dispose of waste material at a municipal facility if treated, neutralized and oxidized.

티오황산 암모늄 준비 용품 및 원자재

원자재

준비 용품


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