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부틸산화 히드록시톨루엔

부틸산화 히드록시톨루엔
부틸산화 히드록시톨루엔 구조식 이미지
카스 번호:
128-37-0
한글명:
부틸산화 히드록시톨루엔
동의어(한글):
2,6-디-삼차-부틸-파라-크레졸;2,6-디-제3-부틸-p-크레졸;디부틸하이드록시톨루엔;2,6-디-TERT-부틸-P-크레솔;부틸산염하이드록시톨루엔;1,7-디클로로-1,1,3;비에치티(BHT);2,6-다이-터트-뷰틸-p-크레졸;디부틸히드록시톨루엔;비에이치티
상품명:
Butylated Hydroxytoluene
동의어(영문):
p21;BHT;ao4k;ao29;BUKS;SDI1;cao1;cao3;DBMP;P 21
CBNumber:
CB8355755
분자식:
C15H24O
포뮬러 무게:
220.35
MOL 파일:
128-37-0.mol

부틸산화 히드록시톨루엔 속성

녹는점
69-73 °C(lit.)
끓는 점
265 °C(lit.)
밀도
1.048
증기 밀도
7.6 (vs air)
증기압
<0.01 mm Hg ( 20 °C)
굴절률
1.4859
FEMA
2184 | BUTYLATED HYDROXYTOLUENE
인화점
127 °C
저장 조건
0-6°C
용해도
methanol: 0.1 g/mL, clear, colorless
물리적 상태
Crystals
산도 계수 (pKa)
pKa 14(H2O t = 25 c = 0.002 to 0.01) (Uncertain)
색상
white
수용성
insoluble
Merck
14,1548
BRN
1911640
안정성
Stable, but light-sensitive. Incompatible with acid chlorides, acid anhydrides, brass, copper, copper alloys, steel, bases, oxidizing agents. Combustible.
InChIKey
NLZUEZXRPGMBCV-UHFFFAOYSA-N
CAS 데이터베이스
128-37-0(CAS DataBase Reference)
NIST
Butylated hydroxytoluene(128-37-0)
EPA
Phenol, 2,6-bis(1,1-dimethylethyl)- 4-methyl-(128-37-0)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 Xn,N
위험 카페고리 넘버 22-36/37/38-36/38-50/53
안전지침서 26-36-37/39-61-60
유엔번호(UN No.) 3077
WGK 독일 1
RTECS 번호 GO7875000
F 고인화성물질 8-10-23
자연 발화 온도 878 °F
TSCA Yes
위험 등급 9
포장분류 III
HS 번호 29071900
유해 물질 데이터 128-37-0(Hazardous Substances Data)
독성 LD50 orally in mice: 1040 mg/kg (McOmie)
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
H315 피부에 자극을 일으킴 피부부식성 또는 자극성물질 구분 2 경고 P264, P280, P302+P352, P321,P332+P313, P362
H317 알레르기성 피부 반응을 일으킬 수 있음 피부 과민성 물질 구분 1 경고 P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H319 눈에 심한 자극을 일으킴 심한 눈 손상 또는 자극성 물질 구분 2A 경고 P264, P280, P305+P351+P338,P337+P313P
H370 장기(또는, 영향을 받은 알려진 모든 장기를 명시)에 손상을 일으킴(노출되어도 특정 표적장기 독성을 일으키지 않는다는 결정적인 노출경로가 있다면 노출경로를 기재) 특정 표적장기 독성 - 1회 노출 구분 1 위험 P260, P264, P270, P307+P311, P321,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
H401 수생생물에 유독함 수생 환경유해성 물질 - 급성 구분 2 P273, P501
H410 장기적 영향에 의해 수생생물에 매우 유독함 수생 환경유해성 물질 - 만성 구분 1 경고 P273, P391, P501
H411 장기적 영향에 의해 수생생물에 유독함 수생 환경유해성 물질 - 만성 구분 2
예방조치문구:
P260 분진·흄·가스·미스트·증기·...·스프레이를 흡입하지 마시오.
P264 취급 후에는 손을 철저히 씻으시오.
P264 취급 후에는 손을 철저히 씻으시오.
P270 이 제품을 사용할 때에는 먹거나, 마시거나 흡연하지 마시오.
P272 작업장 밖으로 오염된 의복을 반출하지 마시오.
P273 환경으로 배출하지 마시오.
P280 보호장갑/보호의/보안경/안면보호구를 착용하시오.
P391 누출물을 모으시오.
P305+P351+P338 눈에 묻으면 몇 분간 물로 조심해서 씻으시오. 가능하면 콘택트렌즈를 제거하시오. 계속 씻으시오.
P307+P311 노출된 경우,독성 물질 센터 또는 의사에게 전화하기
P405 밀봉하여 저장하시오.
P501 ...에 내용물 / 용기를 폐기 하시오.

부틸산화 히드록시톨루엔 MSDS


2,6-Di-tert-butyl-p-cresol

부틸산화 히드록시톨루엔 C화학적 특성, 용도, 생산

물성

물에는 녹지 않으나 메탄올·에탄올·석유에테르·벤젠·유지 등에는 잘 녹는다.

용도

산화방지제.

화학적 성질

BHT is a white to pale yellow crystalline solid or powder.

화학적 성질

white crystalline solid

화학적 성질

Butylated hydroxytoluene occurs as a white or pale yellow crystalline solid or powder with a faint characteristic phenolic odor.

화학적 성질

BHA and BHT (butylated hydroxytoluene) are monohydric phenolic antioxidants that, prior to their introduction and acceptance in the food industry, were used to protect petroleum against oxidative degumming. BHT has a very faint, musty, occasional cresylictype odor. BHA and BHT are extensively used in foods as antioxidants. Most fats, oils and fat-containing foods are naturally susceptible to rapid rancification and other oxidative reactions that produce compounds having objectionable taste and odor, making foods containing them unpalatable. Lipid oxidation is autocatalytic and proceeds as a complex of chain reactions, the nature and speed of which vary with the substrate, temperature, light, availability of oxygen and presence or absence of oxidation catalysts. Antioxidants like BHT act as “chain breaks” in the autooxidation processes under the usual conditions of processing, storage and use of fat-containing foods (Burdock, 1997).

출처

Not reported found naturally.

용도

Because they prevent rancidity, antioxidants are of great interest to the food industry. For example, butylated hydroxytoluene (BHT), butylated hydroxyanisole (BHA), and EDTA are frequently used to preserve various foods, such as cheese or fried products. Butylated hydroxytoluene is a powerful inhibitor of lipid peroxidation, yet large doses of it can induce oxidative DNA damage and cancer development in the rat forestomach.

용도

Antioxidant 264 as general antioxidants is used widely in polymer materials, petroleum products and food processing industries. Antioxidant 264 is commonly used rubber antioxidant, heat, oxygen aging have some protective effect, but also can inhibit copper harm. This product does not change color, not pollution. Antioxidants 264 high solubility in oil, no precipitation, less volatile, non-toxic and non-corrosive.

용도

Antioxidant for food, animal feed, petroleum products, synthetic rubbers, plastics, animal and vegetable oils, soaps. Antiskinning agent in paints and inks.

용도

BHT is also known as butylated hydroxy toluene. It is an anti-oxidant that also has preservative and masking capabilities.

용도

Butylated Hydroxytoluene (BHT) is an antioxidant that functions similarly to butylated hydroxyanisole (BHA) but is less stable at high temperatures. It is also termed 2,6-di-tert-butyl-para-cresol. See Butylated Hydroxyanisole.

정의

ChEBI: A member of the class of phenols that is 4-methylphenol substituted by tert-butyl groups at positions 2 and 6.

제조 방법

BHT is produced commercially by the alkylation of para-cresol with isobutylene. BHT is also produced by several western European manufacturers, production/processing plants in Germany, France, the Netherlands, United Kingdom and Spain.

생산 방법

Prepared by the reaction of p-cresol with isobutene.

일반 설명

White crystalline solid.

공기와 물의 반응

Insoluble in water.

반응 프로필

Phenols, such as 2,6-Di-tert-butyl-4-methylphenol, do not behave as organic alcohols, as one might guess from the presence of a hydroxyl (-OH) group in their structure. Instead, they react as weak organic acids. Phenols and cresols are much weaker as acids than common carboxylic acids (phenol has Ka = 1.3 x 10^[-10]). These materials are incompatible with strong reducing substances such as hydrides, nitrides, alkali metals, and sulfides. Flammable gas (H2) is often generated, and the heat of the reaction may ignite the gas. Heat is also generated by the acid-base reaction between phenols and bases. Such heating may initiate polymerization of the organic compound. Phenols are sulfonated very readily (for example, by concentrated sulfuric acid at room temperature). The reactions generate heat. Phenols are also nitrated very rapidly, even by dilute nitric acid. Nitrated phenols often explode when heated. Many of them form metal salts that tend toward detonation by rather mild shock. May react with oxidizing materials.

화재위험

2,6-Di-tert-butyl-4-methylphenol is combustible.

Pharmaceutical Applications

Butylated hydroxytoluene is used as an antioxidant in cosmetics, foods, and pharmaceuticals. It is mainly used to delay or prevent the oxidative rancidity of fats and oils and to prevent loss of activity of oil-soluble vitamins.
Butylated hydroxytoluene is also used at 0.5–1.0% w/w concentration in natural or synthetic rubber to provide enhanced color stability.
Butylated hydroxytoluene has some antiviral activity and has been used therapeutically to treat herpes simplex labialis.

색상 색인 번호

This antioxidant is contained in food, adhesive glues, industrial oils, and greases, including cutting fluids. Sensitization seems very rare.

Safety

Butylated hydroxytoluene is readily absorbed from the gastrointestinal tract and is metabolized and excreted in the urine mainly as glucuronide conjugates of oxidation products. Although there have been some isolated reports of adverse skin reactions, butylated hydroxytoluene is generally regarded as nonirritant and nonsensitizing at the levels employed as an antioxidant.
The WHO has set a temporary estimated acceptable daily intake for butylated hydroxytoluene at up to 125 μg/kg body-weight.
Ingestion of 4 g of butylated hydroxytoluene, although causing severe nausea and vomiting, has been reported to be nonfatal.
LD50 (guinea pig, oral): 10.7 g/kg
LD50 (mouse, IP): 0.14 g/kg
LD50 (mouse, IV): 0.18 g/kg
LD50 (mouse, oral): 0.65 g/kg
LD50 (rat, oral): 0.89 g/kg

잠재적 노출

DBPC is used as a food and feed additive, flavor, and packaging material; as an antioxidant in human foods and animal feeds. It is also used as an antioxidant to sta- bilize petroleum fuels, rubber and vinyl plastics.

저장

Exposure to light, moisture, and heat causes discoloration and a loss of activity. Butylated hydroxytoluene should be stored in a wellclosed container, protected from light, in a cool, dry place.

운송 방법

UN2811 Toxic solids, organic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required.

Purification Methods

Dissolve BHT in n-hexane at room temperature, then cool with rapid stirring, to -60o. The precipitate is separated, redissolved in hexane, and the process is repeated until the mother liquor is no longer coloured. The final product is stored under N2 at 0o [Blanchard J Am Chem Soc 82 2014 1960]. It has also been recrystallised from EtOH, MeOH, *benzene, n-hexane, methylcyclohexane or pet ether (b 60-80o), and is dried in a vacuum. [Beilstein 6 IV 3511.]

비 호환성

Contact with oxidizers may cause fire and explosion hazard.

비 호환성

Butylated hydroxytoluene is phenolic and undergoes reactions characteristic of phenols. It is incompatible with strong oxidizing agents such as peroxides and permanganates. Contact with oxidizing agents may cause spontaneous combustion. Iron salts cause discoloration with loss of activity. Heating with catalytic amounts of acids causes rapid decomposition with the release of the flammable gas isobutene.

Regulatory Status

GRAS listed. Accepted as a food additive in Europe. Included in the FDA Inactive Ingredients Database (IM and IV injections, nasal sprays, oral capsules and tablets, rectal, topical, and vaginal preparations). Included in nonparenteral medicines licensed in the UK. Included in the Canadian List of Acceptable Non-medicinal Ingredients.

부틸산화 히드록시톨루엔 준비 용품 및 원자재

원자재

준비 용품


부틸산화 히드록시톨루엔 공급 업체

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