p-Cresol (CAS # 106-44-5)

Umutungo wa Shimi:

Inzira ya molekulari	C7H8O
Misa	108.14
Ubucucike	1.034g / mLat 25 ° C (lit.)
Ingingo yo gushonga	32-34 ° C (lit.)
Ingingo ya Boling	202 ° C (lit.)
Flash point	193 ° F.
Umubare wa JECFA	693
Amazi meza	20 g / L (20 ºC)
Gukemura	20g / l
Umwuka	1 mm Hg (20 ° C)
Ubucucike bw'umwuka	3.72 (vs ikirere)
Kugaragara	Crystalline Ikomeye cyangwa Amazi
Uburemere bwihariye	1.0341 (20/4 ℃)
Ibara	Ibara ritagira ibara ry'umuhondo, rishobora kwijimye iyo rihuye n'umucyo
Imipaka ntarengwa	NIOSH REL: TWA 2.3 ppm (10 mg / m3), IDLH 250 ppm; OSHA PEL: TWA 5ppm (22 mg / m3); ACGIH TLV: TWA kuri isomers zose 5 ppm (yemejwe).
Merk	14,2579
BRN	1305151
pKa	10.17 (kuri 25 ℃)
Imiterere y'Ububiko	Ubike munsi ya + 30 ° C.
Igihagararo	Ihamye. Yaka. Ntibishobora gukoreshwa na okiside ikomeye. Umwuka n'umucyo. Hygroscopique.
Yumva	Umucyo
Umupaka uturika	1% (V)
Ironderero	nD20 1.5395
Ibintu bifatika na shimi	Ibicuruzwa ni ibara ritagira ibara ryuzuye cyangwa kirisiti, hamwe na fenol flavour, yaka. Gushonga muri Ethanol, ether, chloroform n'amazi ashyushye, ingingo 202℃gushonga ingingo 35.26℃.
Koresha	Iki gicuruzwa nigikorwa cya antioxydeant 2, 6-di-tert-butyl-p-cresol hamwe na reberi antioxydeant ya reberi, icyarimwe, ariko kandi ikanatanga imiti ya TMP n amarangi iboneka hashingiwe kubikoresho byingenzi.

Ohereza imeri kuri twe

Ibicuruzwa birambuye

Ibicuruzwa

Kode y'ingaruka	R24 / 25 - R34 - Bitera gutwikwa R39 / 23/24/25 - R23 / 24/25 - Uburozi muguhumeka, guhura nuruhu kandi niba byamizwe.
Ibisobanuro byumutekano	S36 / 37/39 - Wambare imyenda ikingira, uturindantoki no kurinda amaso / mu maso. S45 - Mugihe habaye impanuka cyangwa niba wumva utameze neza, shaka inama zubuvuzi ako kanya (erekana ikirango igihe cyose bishoboka.) S36 / 37 - Wambare imyenda ikingira hamwe na gants.
Indangamuntu ya Loni	UN 3455 6.1 / PG 2
WGK Ubudage	1
RTECS	GO6475000
FLUKA BRAND F CODES	8
TSCA	Yego
Kode ya HS	29071200
Icyitonderwa	Kurakara
Icyiciro cya Hazard	6.1
Itsinda ryo gupakira	II
Uburozi	LD50 mu kanwa mu mbeba: 1.8 g / kg (Deichmann, Witherup)

Intangiriro

Cresol, imiti izwi nka methylphenol (izina ry'icyongereza Cresol), ni ifumbire mvaruganda. Ibikurikira nintangiriro kumiterere, imikoreshereze, uburyo bwo gutegura namakuru yumutekano ya p-toluenol:

Ubwiza:

Kugaragara: Cresol ni ibara ritagira ibara cyangwa umuhondo rifite impumuro idasanzwe ya fenolike.

Gukemura: Irashobora gushonga muri alcool, ethers na ethers, kandi igashonga gato mumazi.

Imiterere yimiti: Cresol nikintu cya acide ifata alkali kugirango ikore umunyu uhuye.

Koresha:

Inganda zikoreshwa mu nganda: Cresol ikoreshwa nk'uburinzi, yanduza, hamwe na solvent mu gukora imiti igabanya ubukana. Irakora kandi nk'umusemburo no gukemura mu nganda za rubber na resin.

Imikoreshereze y’ubuhinzi: Toluene irashobora gukoreshwa murwego rwubuhinzi nka udukoko twica udukoko na fungiside.

Uburyo:

Hariho uburyo bwinshi bwo gutegura toluenol, bumwe muribwo bukunze gukoreshwa kugirango tububone binyuze muri okiside ya toluene. Intambwe yihariye ni ukubanza gufata toluene hamwe na ogisijeni kugirango itange toluol munsi ya catalizator.

Amakuru yumutekano:

Cresol ni uburozi, kandi guhura cyangwa guhumeka kwa cresol nyinshi birashobora kwangiza ubuzima. Uburyo bukwiye bwo gucunga umutekano bugomba gukurikizwa mugihe bukoreshwa, kandi hagomba gukoreshwa ibikoresho bikingira birinda.

Irinde guhura igihe kirekire nuruhu kandi wirinde guhumeka umwuka wacyo.

Mugihe cyo kubika no gutunganya toluenol, igomba gufungwa neza kandi ikabikwa kure yumuriro nubushyuhe bwinshi.

Mbere: Fenol (CAS # 108-95-2)

Ibikurikira: Ethyl maltol (CAS # 4940-11-8)

Andika ubutumwa bwawe hano hanyuma utwohereze