P-아니시딘

P-아니시딘
P-아니시딘 구조식 이미지
카스 번호:
104-94-9
한글명:
P-아니시딘
동의어(한글):
p-아니시딘;1-아미노-4-메톡시벤젠;4-메톡시아닐린
상품명:
p-Anisidine
동의어(영문):
4-METHOXYANILINE;PARA ANISIDINE;P-METHOXYANILINE;4-ANISIDINE;P-AMINOANISOLE;4-Methoxy-phenylamine;p-Anisylamine;4-AMINOANISOLE;4-METHOXY-BENZENAMINE;4-[4-(4-Aminophenyl)phenyl]aniline
CBNumber:
CB6852649
분자식:
C7H9NO
포뮬러 무게:
123.15
MOL 파일:
104-94-9.mol
MSDS 파일:
SDS

P-아니시딘 속성

녹는점
56-59 °C(lit.)
끓는 점
240-243 °C(lit.)
밀도
1.06
증기 밀도
4.28
증기압
0.02 hPa (20 °C)
굴절률
1.5559
인화점
122 °C
저장 조건
Store below +30°C.
용해도
21g/L
산도 계수 (pKa)
5.34(at 25℃)
물리적 상태
수정 같은
색상
짙은 회색에서 갈색까지
Specific Gravity
1.07
수소이온지수(pH)
7.7 (1g/l, H2O, 20℃)
수용성
21g/L(20℃)
Merck
14,667
BRN
471556
Henry's Law Constant
(x 10-8 atm?m3/mol): 6.62 at 25 °C (thermodynamic method-GC/UV spectrophotometry, Altschuh et al., 1999)
노출 한도
NIOSH REL: TWA 0.5 mg/m3, IDLH 50 mg/m3; OSHA PEL: TWA 0.5 mg/m3; ACGIH TLV: TWA 0.1 ppm (adopted).
Dielectric constant
8.8399999999999999
안정성
Hygroscopic, Material Darkens In Storage With No Loss In Purity
LogP
0.950
CAS 데이터베이스
104-94-9(CAS DataBase Reference)
NIST
Benzenamine, 4-methoxy-(104-94-9)
IARC
3 (Vol. 27, Sup 7) 1987
EPA
p-Anisidine (104-94-9)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 T+,N,Xi
위험 카페고리 넘버 45-26/27/28-33-50
안전지침서 53-28-36/37-45-61-28A
유엔번호(UN No.) UN 2811 6.1/PG 3
WGK 독일 2
RTECS 번호 BZ5450000
F 고인화성물질 8
자연 발화 온도 959 °F
TSCA Yes
위험 등급 6.1
포장분류 III
HS 번호 29222200
유해 물질 데이터 104-94-9(Hazardous Substances Data)
독성 Acute oral LD50 for rats 1,400 mg/kg, mice 810 mg/kg, rabbits 2,900 mg/kg (quoted, RTECS, 1985).
IDLA 50 mg/m3
기존화학 물질 KE-23212
그림문자(GHS): GHS hazard pictogramsGHS hazard pictogramsGHS hazard pictograms
신호 어: Danger
유해·위험 문구:
암호 유해·위험 문구 위험 등급 범주 신호 어 그림 문자 P- 코드
H350 암을 일으킬 수 있음 (노출되어도 암을 일으키지 않는다는 결정적인 증거가 있는 노출경로가 있다면 노출경로 기재) 발암성 물질 구분 1A, 1B 위험 GHS hazard pictograms
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
H400 수생생물에 매우 유독함 수생 환경유해성 물질 - 급성 구분 1 경고 GHS hazard pictograms P273, P391, P501
예방조치문구:
P201 사용 전 취급 설명서를 확보하시오.
P202 모든 안전 조치 문구를 읽고 이해하기 전에는 취급하지 마시오.
P273 환경으로 배출하지 마시오.
P280 보호장갑/보호의/보안경/안면보호구를 착용하시오.
NFPA 704
1
3 0

P-아니시딘 MSDS


4-Methoxybenzeneamine

P-아니시딘 C화학적 특성, 용도, 생산

화학적 성질

Anisidine exists as ortho-, meta-, and paraisomers. They have characteristic amine (fishy) odors. releases toxic nitrogen oxides when heated to decomposition (Sax and Lewis, 1987).

물리적 성질

Yellow to light brown powder, leaflets, solid or crystals with a characteristic amine or ammonialike odor. soluble in ethanol and ether, slightly soluble in water.

용도

p-Anisidine is used mostly for producing dyes, and some smaller quantities are employed in making pharmaceuticals and liquid crystals.

주요 응용

p-Anisidine is used as a reagent to indicate the secondary stage of the oxidation, it is one of the three possible isomers of the Anisidine or methoxyaniline. The other two isomers are o-Anisidine (2-methoxyaniline) and m-Anisidine (3-methoxyaniline).
The p-anisidine is widely used as an intermediate in the production of numerous azo and triphenylmethane dyes, and pigments. It is also used in the production of pharmaceuticals including the guaiacol expectorant, as an antioxidant for polymercaptan resins, and as a corrosion inhibitor for steel. Apart from the beneficial use of p-anisidine, it is toxic for human beings. The acute exposure may cause skin irritation, whereas the chronic exposure may cause headaches, vertigo, and blood complications like sulfhemoglobin, and methemoglobin. The oral exposure to anisidine hydrochloride resulted in cancer of the urinary bladder in male and female rats.
https://www.longdom.org/open-access/physicochemical-and-spectroscopic-characterization-of-biofield-energytreated-panisidine-paco-1000102.pdf

제조 방법

p-Anisidine is an important intermediate for synthesis of dye, medicine and perfume. Traditional preparation of p-Anisidine uses iron powder or sodium sulfide as reductant, which produces a large amount of waste and results in serious environment pollution problem. Liquid phase catalytic hydrogenation is not only an environmentally benign technique but also of high yield.
Synthesis of p-Anisidine by Hydrogenation with Raney-RuNiC as Catalyst

일반 설명

P-anisidine appears as brown crystals or dark brown solid. Characteristic amine odor. (NTP, 1992)

공기와 물의 반응

Insoluble in water.

반응 프로필

p-Anisidine may be sensitive to heat, light and moisture. Reacts with acids, acid chlorides, acid anhydrides, chloroformates and strong oxidizing agents. Incompatible with alkaline materials. Incompatible with aldehydes, ketones and nitrates.

위험도

Strong irritant. Toxic when absorbed through the skin. Questionable carcinogen.

화재위험

p-Anisidine is flammable.

Safety Profile

Moderately toxic by several routes. A mild sensitizer. May cause a contact dermatitis. Mutation data reported. Questionable carcinogen. See also ANILINE. When heated to decomposition it emits toxic fumes of Nox

잠재적 노출

Anisidines are used in the manufacture of azo dyes; pharmaceuticals; textile-processing chemicals Incompatibilities: 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. Attacks some coatings and some forms of plastic and rubber.

Carcinogenicity

Available data were inadequate to evaluate the carcinogenicity of p-anisidine.

운송 방법

UN2431 Anisidines, Hazard Class: 6.1; Labels: 6.1-Poisonous materials

Purification Methods

Crystallise p-anisidine from H2O or aqueous EtOH. Dry it in a vacuum oven at 35o for 6hours and store it in a dry box. [More et al. J Am Chem Soc 108 2257 1986.] Purify it also by vacuum sublimation [Guarr et al. J Am Chem Soc 107 5104 1985]. [Beilstein 13 IV 1015.]

폐기물 처리

Dissolve in combustible solvent (alcohols, benzene, etc.) and spray solution into furnace equipped with afterburner and scrubber, or burn spill residue on sand and soda ash absorbent in a furnace.

P-아니시딘 준비 용품 및 원자재

원자재

준비 용품


P-아니시딘 공급 업체

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