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브로민산 칼륨

브로민산 칼륨
브로민산 칼륨 구조식 이미지
카스 번호:
7758-01-2
한글명:
브로민산 칼륨
동의어(한글):
브로민산칼륨(브롬산칼륨);브롬산,칼륨염;브롬산카리;브롬산칼륨;포타슘브로메이트;브로민산칼륨(브롬산칼륨)(POTASSIUMBROMATE);브롬산 칼륨
상품명:
Potassium bromate
동의어(영문):
eecno.e924;POTASSIUM BROMATE;potassium bronlate;Potassiumbromate,99%;POTASSIUM BROMATE PURE;POTASSIUM BROMATE, ACS;Potassium bromate, p.a.;Potassium bromate, 99.5%;Bromicacid potassium salt;POTASSIUM BROMATE-BROMIDE
CBNumber:
CB5281569
분자식:
BrKO3
포뮬러 무게:
167
MOL 파일:
7758-01-2.mol

브로민산 칼륨 속성

녹는점
350 °C
밀도
3.27
저장 조건
Store below +30°C.
용해도
Potassium bromate is highly soluble in water (7.5 g/100 mL at 25°C; 49.8 g/100 mL at 100°C), slightly soluble in ethanol, and almost insoluble in acetone; it is very stable when dissolved in water at room temperature.
물리적 상태
Powder/Solid
Specific Gravity
3.27
색상
White crystals or granules
수소이온지수(pH)
5.0-9.0 (25℃, 50mg/mL in H2O)
수용성
70 g/L (20 ºC)
Merck
14,7617
안정성
Stability Strong oxidizer - contact with combustible materials may cause fire. Incompatible with combustible material, organics, reducing agents, aluminium, finely powdered metals.
CAS 데이터베이스
7758-01-2(CAS DataBase Reference)
IARC
2B (Vol. Sup 7, 73) 1999
EPA
Potassium bromate (7758-01-2)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 O,T
위험 카페고리 넘버 45-9-25-22
안전지침서 53-45
유엔번호(UN No.) UN 1484 5.1/PG 2
WGK 독일 3
RTECS 번호 EF8725000
TSCA Yes
위험 등급 5.1
포장분류 II
HS 번호 28299000
유해 물질 데이터 7758-01-2(Hazardous Substances Data)
독성 LD50 orally in Rabbit: 157 mg/kg
기존화학 물질 KE-29078
그림문자(GHS):
신호 어: Danger
유해·위험 문구:
암호 유해·위험 문구 위험 등급 범주 신호 어 그림 문자 P- 코드
H271 화재 또는 폭발을 일으킬 수 있음; 강산화제 산화성 액체;산화성 고체 구분 1 위험 P210, P220, P221, P280, P283,P306+P360, P371+P380+P375,P370+P378, P501
H301 삼키면 유독함 급성 독성 물질 - 경구 구분 3 위험 P264, P270, P301+P310, P321, P330,P405, P501
H303 삼키면 유해할 수 있음 급성 독성 물질 - 경구 구분 5 P312
H350 암을 일으킬 수 있음 (노출되어도 암을 일으키지 않는다는 결정적인 증거가 있는 노출경로가 있다면 노출경로 기재) 발암성 물질 구분 1A, 1B 위험
예방조치문구:
P201 사용 전 취급 설명서를 확보하시오.
P210 열·스파크·화염·고열로부터 멀리하시오 - 금연 하시오.
P220 의류 그리고 가연성 물질로부터 멀리하시오.
P221 가연성 물질과 혼합되지 않도록 조치하시오.
P283 방화복 또는 방열복을 입으시오.
P301+P310 삼켰다면 즉시 의료기관(의사)의 진찰을 받으시오.
P306+P360 의복에 묻으면 의복을 벗기 전에 오염된 의복및 피부를 다량의 물로 즉시 씻어내시오.
P308+P313 노출 또는 접촉이 우려되면 의학적인 조치· 조언를 구하시오.
P371+P380+P375 대형 화재 시 폭발의 위험이 있으므로, 주변 지역의 사람을 대피시키고 거리를 유지하면서 불을 끄시오.
P405 밀봉하여 저장하시오.
NFPA 704
0
1 0

브로민산 칼륨 C화학적 특성, 용도, 생산

화학적 성질

Potassium bromate is a white crystalline solid.

용도

Potassium Bromate is a dough conditioner that exists as white crystals or powder and is soluble in water. it exists in the anhydrous form as white granular powder and in the hydrated form as small white crystals or granules. it is used to age and improve the baking properties of flour. it is used with potassium iodate and azodicarbon- amide to modify the protein in bread flour to promote the desired properties of loaf volume and shape. it is used in baked goods.

용도

It is used in oxidizing agent in acid solutions.

용도

Bread- and flour-improving agent; in analytical chemistry.

일반 설명

A white crystalline solid.

공기와 물의 반응

Water soluble.

반응 프로필

Potassium bromate is a strong oxidizing agent. Forms very flammable mixtures with combustible materials. Such mixtures may be explosive if the combustible material is finely divided and are often ignitable by friction. A mixture with finely divided aluminum can explode by heat, percussion, and friction [Mellor 2:310. 1946-47]. Reacts explosively with selenium [Mellor 2 Supp1:763. 1956]. Prolonged exposure to fire or heat can result in an explosion .

위험도

Dangerous fire risk in contact with organic materials, strong irritant. Possible carcinogen.

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

Confirmed carcinogen with experimental carcinogenic data. A poison by ingestion. A powerful oxidzer. An irritant to skin, eyes, and mucous membranes. Mutation data reported. Wxtures with sulfur may ignite. Violent reaction with Al, Al + dmitrotoluene @ 290°, As, C, Cu, Pb(C2H3O2)2, metal sulfides, organic matter, P, S. Aqueous solutions react violently with selenium. When heated to decomposition it emits very toxic fumes of Brand K2O. See also BROMIDES.

잠재적 노출

Potassium bromate is used as animal feed additive, food additive; flavor and packaging material; as a laboratory reagent; an oxidizing agent.

운송 방법

UN1479 Potassium bromate, Hazard Class: 5.1; Labels: 5.1-Oxidizer.

Purification Methods

Crystallise KBrO3 from distilled H2O (2mL/g) between 100o and 0o. To remove bromide contamination, a 5% solution in distilled H2O, cooled to 10o, is bubbled with gaseous chlorine for 2hours, then filtered and extracted with reagent grade CCl4 until colourless and odourless. After evaporating the aqueous phase to about half its volume, it is cooled again slowly to about 10o. The crystalline KBrO3 that separates, is washed with 95% EtOH and dried in a vacuum [Boyd et al. J Am Chem Soc 74 237 1952]. Another way to remove Br-ions is by stirring several times in MeOH and then drying at 150o [Field & Boyd J Phys Chem 89 3767 1985].

비 호환성

A strong oxidizer.Violent reaction with many compounds, including reducing agents; chemically active metals; combustible materials, strong acids, alkaline earth sulfides, aluminum carbides, aluminum, amines, calcium sulfide, carbides, chlorine trifluoride, glycerin, hydrides, hydrochloric acid, hydrogen peroxide, hydrogen sulfide, hydroxylamine, magnesium, metal powders, metal sulfides, molybdenum, phenylhydrazine, phosphorous red/ friction, phosphorous trichloride, silicon, sulfides, sulfur, sulfur dioxide, sulfur/friction, sulfuric acid, tungsten, hydrogen trisulfide. Incompatible with aluminum, copper.

브로민산 칼륨 준비 용품 및 원자재

원자재

준비 용품


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