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안식향산메틸

안식향산메틸
안식향산메틸 구조식 이미지
카스 번호:
93-58-3
한글명:
안식향산메틸
동의어(한글):
벤조산메틸;메틸벤조에이트;안식향산메틸;메틸벤조에이트
상품명:
Methyl benzoate
동의어(영문):
FEMA 2683;NIOBE OIL;Oxidate le;Oniobe oil;Oilofmiobe;OIL OF NIOBE;Methylbenzoat;Slethylbenzoat;METHYL BENZOATE;ESSENCE OF NIOBE
CBNumber:
CB8252119
분자식:
C8H8O2
포뮬러 무게:
136.15
MOL 파일:
93-58-3.mol

안식향산메틸 속성

녹는점
-12 °C
끓는 점
198-199 °C(lit.)
밀도
1.088 g/mL at 20 °C(lit.)
증기 밀도
4.68 (vs air)
증기압
<1 mm Hg ( 20 °C)
굴절률
n20/D 1.516(lit.)
FEMA
2683 | METHYL BENZOATE
인화점
181 °F
저장 조건
Store at +5°C to +30°C.
용해도
ethanol: soluble60%, clear (1mL/4ml)
물리적 상태
Liquid
색상
Clear colorless to pale yellow
Specific Gravity
1.087~1.095 (20℃)
폭발한계
8.6-20%(V)
수용성
<0.1 g/100 mL at 22.5 ºC
Merck
14,6024
JECFA Number
851
BRN
1072099
안정성
Stable. Combustible. Incompatible with strong oxidizing agents, strong acids, strong bases.
CAS 데이터베이스
93-58-3(CAS DataBase Reference)
NIST
Benzoic acid, methyl ester(93-58-3)
EPA
Benzoic acid, methyl ester(93-58-3)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 Xn
위험 카페고리 넘버 22
안전지침서 36
유엔번호(UN No.) UN 2938
WGK 독일 1
RTECS 번호 DH3850000
자연 발화 온도 510 °C
TSCA Yes
HS 번호 29163100
유해 물질 데이터 93-58-3(Hazardous Substances Data)
독성 LD50 orally in rats: 3.43 g/kg (Smyth)
그림문자(GHS):
신호 어: Warning
유해·위험 문구:
암호 유해·위험 문구 위험 등급 범주 신호 어 그림 문자 P- 코드
H227 가연성 액체 인화성 액체 구분 4 경고 P210, P280, P370+P378, P403+P235,P501
H302 삼키면 유해함 급성 독성 물질 - 경구 구분 4 경고 P264, P270, P301+P312, P330, P501
H304 삼켜서 기도로 유입되면 치명적일 수 있음 흡인 유해성물질 구분 1 위험
예방조치문구:
P210 열·스파크·화염·고열로부터 멀리하시오 - 금연 하시오.
P264 취급 후에는 손을 철저히 씻으시오.
P264 취급 후에는 손을 철저히 씻으시오.
P270 이 제품을 사용할 때에는 먹거나, 마시거나 흡연하지 마시오.
P280 보호장갑/보호의/보안경/안면보호구를 착용하시오.
P370+P378 화재 시 불을 끄기 위해 (Section 5. 폭발, 화재시 대처방법의 적절한 소화제)을(를) 사용하시오.
P405 밀봉하여 저장하시오.
P403+P235 환기가 잘 되는 곳에 보관하고 저온으로 유지하시오.
P501 ...에 내용물 / 용기를 폐기 하시오.

안식향산메틸 C화학적 특성, 용도, 생산

개요

Methyl benzoate is an organic compound. It is an ester with the chemical formula C6H5CO2CH3. It is a colorless liquid that is poorly soluble in water, but miscible with organic solvents. Methyl benzoate has a pleasant smell, strongly reminiscent of the fruit of the feijoa tree, and it is used in perfumery. It also finds use as a solvent and as a pesticide used to attract insects such as orchid bees.

개요

Methyl benzoate is an organic compound. It is an ester with the chemical formula C6H5CO2CH3. It is a colorless liquid that is poorly soluble in water, but miscible with organic solvents. Methyl benzoate has a pleasant smell, strongly reminiscent of the fruit of the feijoa tree, and it is used in perfumery. It also finds use as a solvent and as a pesticide used to attract insects.

화학적 성질

Methyl benzoate is a colorless, oily, transparent, liquid. Pleasant odor.

화학적 성질

colourless to light yellow fragrant liquid

화학적 성질

Methyl paraben is methyl ester of p-hydroxybenzoic acid. It does not occur naturally and is produced commercially by esterification of p-hydroxybenzoic acid. Methyl benzoate has a fruity odor, also similar to cananga.

화학적 성질

Methyl benzoate has a fruity odor, similar to cananga.

화학적 성질

Methyl Benzoate has been found in essential oils (e.g., ylang-ylang oil). It is a colorless liquid with a strong, dry-fruity, slightly phenolic odor. Methyl benzoate can be converted simply into other benzoates by transesterification. Since methyl benzoate is a fairly large by-product in the manufacture of Terylene, earlier synthetic routes such as those starting from benzoic acid or benzoyl chloride have largely been abandoned.
Methyl benzoate is used in perfume bases, such as ylang-ylang and tuberose types.

출처

Methyl benzoate can be isolated from the freshwater fern Salvinia molesta. It is one of many compounds that is attractive to males of various species of orchid bees, which apparently gather the chemical to synthesize pheromones; it is commonly used as bait to attract and collect these bees for study.
Cocaine hydrochloride hydrolyzes in moist air to give methyl benzoate; drug - sniffing dogs are thus trained to detect the smell of methyl benzoate.

용도

In perfumes (Peau d'Espagne).

용도

Methyl benzoate is used in perfumes..

제조 방법

By heating benzoic acid and dimethyl sulfate to high temperature, or by exchange between ethyl benzoate and methanol in KOH solution.

정의

ChEBI: A benzoate ester obtained by condensation of benzoic acid and methanol.

Aroma threshold values

Detection: 110 ppb

Taste threshold values

Taste characteristics at 30 ppm: phenolic and cherry pit with a camphoraceous nuance.

일반 설명

A crystalline solid or a solid dissolved in a liquid. Denser than water. Contact may slightly irritate skin, eyes and mucous membranes. May be slightly toxic by ingestion. Used to make other chemicals.

공기와 물의 반응

Slightly soluble in water. Hydrolyzes slowly in contact with water .

반응 프로필

Methyl benzoate is an ester. Esters react with acids to liberate heat along with alcohols and acids. Strong oxidizing acids may cause a vigorous reaction that is sufficiently exothermic to ignite the reaction products. Heat is also generated by the interaction of esters with caustic solutions. Flammable hydrogen is generated by mixing esters with alkali metals and hydrides. Methyl benzoate reacts with strong oxidizing agents and strong bases and hydrolyzes slowly in contact with water. .

위험도

Toxic by ingestion.

건강위험

Irritating to the eyes, nose, throat, upper respiratory tract, and skin. May cause allegic skin and respiratory reactions.

건강위험

Methyl benzoate is a mild skin irritant. Theacute oral toxicity in test animals was oflow order. The toxic symptoms in animalsfrom oral administration of this compoundwere tremor, excitement, and somnolence.The LD50 value varies with species. The oralLD50 values in mice and rats are 3330 and1350 mg/kg, respectively.

화재위험

Special Hazards of Combustion Products: None

Safety Profile

Moderately toxic by ingestion. Mildly toxic by skin contact. A skin and eye irritant. Combustible liquid when exposed to heat or flame; can react with oxidizing materials. To fight fire, use foam, CO2, dry chemical, water to blanket fire. When heated to decomposition it emits acrid smoke and irritating fumes.

Chemical Synthesis

Methyl benzoate is formed by the condensation of methanol and benzoic acid, in presence of a strong acid such as hydrochloric acid . It reacts both at the ring and the ester. Illustrative of its ability to undergo electrophilic substitution, methyl benzoate undergoes acidcatalysed nitration with nitric acid to give methyl 3-nitrobenzoate. It also undergoes hydrolysis with addition of aqueous NaOH to give methanol and sodium benzoate, which can be acidified with aqueous HCl to form benzoic acid.

잠재적 노출

Used as food additive and as a solvent for cellulose esters and ethers, resins and rubber.

Purification Methods

Wash the ester with dilute aqueous NaHCO3, then water, dry with Na2SO4 and fractionally distil it in a vacuum. [Beilstein 9 IV 283.]

폐기물 처리

Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber. All federal, state, and local environmental regulations must be observed.

안식향산메틸 준비 용품 및 원자재

원자재

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