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티오요소

티오요소
티오요소 구조식 이미지
카스 번호:
62-56-6
한글명:
티오요소
동의어(한글):
티오요소;(2-THIOUREA),설포우레아(SULFOUREA),이소-티오우레아(ISO-THIOUREA),;2-티오기-(PSEUDOUREA,2-THIO-),2-티오슈도우레아(2-THIOPSEUDOUREA),;THU,RCRAU129,T-101,O-4740,우레아,티오기-(UREA,THIO-),슈도우레아,;설포카르바마이드;슈도티오우레아(PSEUDOTHIOUREA),베타-티오슈도우레아(BETA-THIOPSEUDOUREA),;싸이오요소;티오카르바미드(THIOCARBAMIDE),2-티오우레아;티오카바미드;티오우레아;티오우레아및그유도체
상품명:
Thiourea
동의어(영문):
THU;250g;THIO;tsizp34;Thiurea;(NH2)2CS;Thiourea;Sulourea;thio-ure;thiouree
CBNumber:
CB9854008
분자식:
CH4N2S
포뮬러 무게:
76.12
MOL 파일:
62-56-6.mol

티오요소 속성

녹는점
171 °C
끓는 점
263.89°C (estimate)
밀도
1.405
굴절률
1.5300 (estimate)
저장 조건
Store at RT.
용해도
water: soluble137g/L at 20°C
물리적 상태
Crystals
산도 계수 (pKa)
-1.0(at 25℃)
색상
White to almost white
Specific Gravity
1.406
수소이온지수(pH)
6-8 (50g/l, H2O, 20℃)
수용성
13.6 g/100 mL (20 ºC)
Merck
14,9367
BRN
605327
안정성
Stable. Incompatible with strong acids, strong bases, strong oxidizing agents, metallic salts, proteins, hydrocarbons. May react violently with acrolein.
CAS 데이터베이스
62-56-6(CAS DataBase Reference)
NIST
Thiourea(62-56-6)
EPA
Thiourea(62-56-6)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 Xn,N,Xi
위험 카페고리 넘버 22-40-51/53-63-43-38
안전지침서 36/37-61
유엔번호(UN No.) UN 2811 6.1/PG 3
WGK 독일 2
RTECS 번호 YU2800000
자연 발화 온도 440 °C Dust
TSCA Yes
위험 등급 6.1
포장분류 III
HS 번호 29309070
유해 물질 데이터 62-56-6(Hazardous Substances Data)
독성 LD50 orally in wild Norway rats: 1830 mg/kg (Dieke)
그림문자(GHS):
신호 어: Warning
유해·위험 문구:
암호 유해·위험 문구 위험 등급 범주 신호 어 그림 문자 P- 코드
H302 삼키면 유해함 급성 독성 물질 - 경구 구분 4 경고 P264, P270, P301+P312, P330, P501
H351 암을 일으킬 것으로 의심됨 (노출되어도 암을 일으키지 않는다는 결정적인 증거가 있는 노출경로가 있다면 노출경로 기재) 발암성 물질 구분 2 경고 P201, P202, P281, P308+P313, P405,P501
H361 태아 또는 생식능력에 손상을 일으킬 것으로 의심됨 생식독성 물질 구분 2 경고 P201, P202, P281, P308+P313, P405,P501
H411 장기적 영향에 의해 수생생물에 유독함 수생 환경유해성 물질 - 만성 구분 2
예방조치문구:
P201 사용 전 취급 설명서를 확보하시오.
P273 환경으로 배출하지 마시오.
P280 보호장갑/보호의/보안경/안면보호구를 착용하시오.
P391 누출물을 모으시오.
P308+P313 노출 또는 접촉이 우려되면 의학적인 조치· 조언를 구하시오.
P405 밀봉하여 저장하시오.
P501 ...에 내용물 / 용기를 폐기 하시오.

티오요소 MSDS


Thiocarbamide

티오요소 C화학적 특성, 용도, 생산

개요

Thiourea appears as white crystal/powder, is combustible, and on contact with fire, gives off irritating or toxic fumes/gases. Thiourea is a reducing agent used primarily in the production of bleached recycled pulp. In addition, it is also effective in the bleaching of stone groundwood, pressurised groundwood. Thiourea undergoes decomposition on heating and produces toxic fumes of nitrogen oxides and sulphur oxides. It reacts violently with acrolein, strong acids, and strong oxidants. The main application of thiourea is in textile processing and also is commonly employed as a source of sulphide. Thiourea is a precursor to sulphide to produce metal sulphides, for example, mercury sulphide, upon reaction with the metal salt in aqueous solution. The industrial uses of thiourea include production of flame-retardant resins and vulcanisation accelerators. Thiourea is used as an auxiliary agent in diazo paper, light-sensitive photocopy paper, and almost all other types of copy paper. Thiourea is used in many industrial applications, including as a chemical intermediate or catalyst, in metal processing and plating, and in photoprocessing.

화학적 성질

Thiourea consists of colorless, lustrous crystals or powder with a bitter taste.

화학적 성질

white crystals or powder

용도

The product is wildly used in pharmaceutical industry, agricultural, chemicals, metallurgical industry, petroleum and so on. It is also main material for producing thiourea dioxide(CH1N2O2S).

용도

Chaotropic agent; strong denaturant. Increases solubility and recovery of proteins

용도

Used in determination of bismuth.

용도

In animal glue liquifiers and silver tarnish removers. Photographic fixing agent and to remove stains from negatives; manufacture of resins; vulcanization accelerator; a reagent for bismuth, selenite ions.

용도

Thiourea is used in the manufacture of resins,as a vulcanization accelerator, and as aphotographic fixing agent and to removestains from negatives.

용도

The most common uses for thiourea have been for the production of thiourea dioxide (30%), in leaching of gold and silver ores (25%), in diazo papers (15%), and as a catalyst in the synthesis of fumaric acid (10%) (IARC 2001). It has also been used in the production and modification of synthetic resins. Other uses of thiourea are as a photographic toning agent, in hair preparations, as a drycleaning agent, in the synthesis of pharmaceuticals and pesticides, in boiler-water treatment, and as a reagent for bismuth and selenite ions. It has also been used in textile and dyeing auxiliaries, in the production of industrial cleaning agents (e.g., for photographic tanks and metal surfaces in general), for engraving metal surfaces, as an isomerization catalyst in the conversion of maleic to fumaric acid, in copper-refining electrolysis, in electroplating, and as an antioxidant. Other uses have included as a vulcanization accelerator, an additive for slurry explosives,as a viscosity stabilizer for polymer solutions, and as a mobility buffer in petroleum extraction. It is also used as an ingredient of consumer silver polishes (HPD 2009), and has been used in the removal of mercury from wastewater by chlorine-alkali electrolysis (IARC 1974, 2001, WHO 2003).

정의

A colorless crystalline organic compound (the sulfur analog of urea). It is converted to the inorganic compound ammonium thiocyanate on heating. It is used as a sensitizer in photography and in medicine.

정의

thiourea: A white crystalline solid,(NH2)2CS; r.d. 1.4; m.p. 182°C. It isused as a fixer in photography.

정의

ChEBI: The simplest member of the thiourea class, consisting of urea with the oxygen atom substituted by sulfur.

일반 설명

White or off-white crystals or powder. Sinks and mixes with water.

공기와 물의 반응

Water soluble.

반응 프로필

Thiocarbamide is a white crystalline material or powder, toxic, carcinogenic. When heated to decomposition Thiocarbamide emits very toxic fumes of oxides of sulfur and oxides of nitrogen. Violent exothermic polymerization reaction with acrylaldehyde (acrolein) [MCA SD-85, 1961], violent decomposition of the reaction product with hydrogen peroxide and nitric acid [Bjorklund G. H. et al., Trans. R. Soc. Can.,1950, 44, p. 28], spontaneous explosion upon grinding with potassium chlorate [Soothill, D., Safety Management, 1992, 8(6), p. 11].

위험도

A questionable carcinogen. May not be used in food products (FDA); skin irritant (allergenic).

건강위험

Poisonous inhaled or swallowed. Irritating to skin; may cause allergic skin eruptions.

건강위험

The acute oral toxicity of thiourea in mostanimals is of low order. The oral LD50 values reported in the literature show variation.Symptoms of chronic effects in rats includebone marrow depression and goiters. Administration of 32.8 mol of thiourea in chickembryos on day 17 of incubation resultedin the accumulation of parabronchial liquidin those embryos (Wittman et al. 1987). Theinvestigators have attributed such changes tothe toxic effects of thiourea, rather to than aretardation of pulmonary development.
Dedon and coworkers (1986) observed thepossible protective action of thiourea againstplatinum toxicity. Thiourea and other sulfur-containing nucleophiles have the ability tochelate and remove platinum from biochemical sites of toxicity.
Oral administration of thiourea resultedin tumors in the liver and thyroid in rats.It is carcinogenic to animals and has shownsufficient evidence.

화재위험

Noncombustible solid. There is no report of any explosion resulting from reactions of thiourea. Small amounts of thiourea in contact with acrolein may polymerize acrolein, which is a highly exothermic reaction.

농업용

Thiourea is a sulphur analogue of urea. It is a crystalline and colorless solid which is relatively insoluble in water. Thiourea, capable of breaking the dormancy of seeds, is used to stimulate seed germination. Seeds are soaked for less than 24 hours before planting.

색상 색인 번호

Thiourea is used as a cleaner agent for silver and cop- per, and as an antioxidant in diazo copy paper. It can induce (photo-) contact dermatitis.

잠재적 노출

Thiourea is used as rubber antiozonant, toning agent; corrosion inhibitor; and in pharmaceutical manufacture; in the manufacture of photosensitive papers; flame-retardant textile sizes; boiler water treatment. It is also used in photography; pesticide manufacture; in textile chemicals.

Carcinogenicity

Thiourea is reasonably anticipated to be a human carcinogen based on sufficient evidence of carcinogenicity from studies in experimental animals.

운송 방법

UN2811 Toxic solids, organic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required. UN3077 Environmentally hazardous substances, solid, n.o.s., Hazard class: 9; Labels: 9-Miscellaneous hazardous material, Technical Name Required.

Purification Methods

Crystallise thiourea from absolute EtOH, MeOH, acetonitrile or water. Dry it under vacuum over H2SO4 at room temperature. [Beilstein 3 IV 342.]

비 호환성

Dust may form explosive mixture with air. Reacts violently with acrolein, strong acids (nitric acid). Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides.

폐기물 처리

Consult with environmental regulatory agencies for guidance on acceptable disposal practices. Generators of waste containing this contaminant (≥100 kg/mo) must conform with EPA regulations governing storage, transportation, treatment, and waste disposal.

법규

Environmental Protection Agency (EPA)
Comprehensive Environmental Response, Compensation, and Liability Act
Reportable quantity (RQ) = 10 lb.
Emergency Planning and Community Right-To-Know Act
Toxics Release Inventory: Listed substance subject to reporting requirements.
Resource Conservation and Recovery Act
Listed Hazardous Waste: Waste code for which the listing is based wholly or partly on the presence of thiourea = U219.
Listed as a hazardous constituent of waste.
Food and Drug Administration (FDA)
Thiourea is not permitted in food for human consumption.

티오요소 준비 용품 및 원자재

원자재

준비 용품


티오요소 공급 업체

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