Mesitylene (CAS#108-67-8)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta	C9H12
Molar Mass	120.19
Yawan yawa	0.864 g/ml a 25 °C (lit.)
Matsayin narkewa	-45 °C
Matsayin Boling	163-166°C (lit.)
Wurin Flash	112°F
Ruwan Solubility	2.9g/L (20ºC)
Solubility	Miscible tare da barasa, benzene, ether (Windholz et al., 1983), da trimethylbenzene isomers.
Tashin Turi	14 mm Hg (55 ° C)
Yawan Turi	4.1 (Vs iska)
Bayyanar	Ruwa
Launi	Share mara launi
Iyakar Bayyanawa	NIOSH REL: TWA 25 ppm (125 mg / m3); ACGIH TLV: TWA don Mixisomers 25 ppm (an karɓa).
Merck	14,5907
BRN	906806
pKa	>14 (Schwarzenbach et al., 1993)
Yanayin Ajiya	2-8 ° C
Kwanciyar hankali	Barga. Mai ƙonewa. Wanda bai dace ba tare da magunguna masu ƙarfi masu ƙarfi.
Iyakar fashewa	0.88-6.1%, 100°F
Fihirisar Refractive	n20/D 1.499 (lit.)
Abubuwan Jiki da Sinadarai	Hali: ruwa mai haske mara launi. wurin narkewa -44.7 ℃(α-type), -51 ℃ tafasar batu 164.7 ℃ girman dangi 0.8652 Ma'anar refractive 1.4994 flash point 44 ℃ solubility insoluble a cikin ruwa, mai narkewa a cikin ethanol, za a iya narkar da a kowane rabo na benzene, ether, acetone.
Amfani	Domin samar da trimesic acid da antioxidants, epoxy resin curing wakili, polyester guduro stabilizer, alkyd guduro plasticizer da rini.

Aika mana imel

Cikakken Bayani

Tags samfurin

Lambobin haɗari	R10 - Flammable R37 - Mai ban haushi ga tsarin numfashi R51/53 - Mai guba ga halittun ruwa, na iya haifar da illa na dogon lokaci a cikin yanayin ruwa. R39/23/24/25 - R23/24/25 - Mai guba ta numfashi, a cikin hulɗa da fata kuma idan an haɗiye shi. R11 - Mai ƙonewa sosai R37 / 38 - Haushi ga tsarin numfashi da fata.
Bayanin Tsaro	S61 - Guji saki zuwa yanayi. Koma zuwa umarni na musamman / takaddun bayanan aminci. S45 - Idan akwai haɗari ko kuma idan kun ji rashin lafiya, nemi shawarar likita nan da nan (nuna alamar a duk lokacin da zai yiwu.) S36/37 - Sanya tufafin kariya da safar hannu masu dacewa. S16 - Ka nisantar da tushen wuta. S7 – Rike akwati a rufe sosai.
ID na UN	UN 2325 3/PG 3
WGK Jamus	2
RTECS	Farashin 6825000
FLUKA BRAND F CODES	10
Farashin TSCA	Ee
HS Code	Farashin 29029080
Bayanin Hazard	Haushi/Labarai
Matsayin Hazard	3
Rukunin tattarawa	III
Guba	LD50 (shakar numfashi) don berayen 24 g/m3/4-h (wanda aka nakalto, RTECS, 1985).

Gabatarwa

inganci:

Methylbenzene ruwa ne mara launi tare da ƙamshi na musamman.

- Trimethylbenzene ba shi da narkewa a cikin ruwa kuma yana narkewa a cikin kaushi na halitta kamar su alcohols, ethers da ketone kaushi.

Amfani:

- M-trimethylbenzene an fi amfani dashi azaman sauran ƙarfi a cikin ƙwayoyin halitta.

- Ana amfani dashi a cikin shirye-shiryen abubuwan dandano, pigments, dyes da fluorescents.

- Don shirye-shiryen tawada, masu tsaftacewa da sutura.

Hanya:

- Methylbenzene za a iya shirya daga toluene ta alkylation. Hanyar gama gari ita ce amsa toluene tare da methane a ƙarƙashin yanayin mai kara kuzari da zafin da ya dace don samar da homoxylene.

Bayanin Tsaro:

- Trimethylbenzene yana da wasu guba da illa masu ban haushi akan fata da idanu.

- Trimethylbenzene yana ƙonewa kuma yakamata a kiyaye shi daga buɗewar wuta da yanayin zafi. Kula da matakan rigakafin wuta lokacin adanawa da amfani.

- Lokacin amfani da x-trimethylbenzene, samar da yanayi mai kyau na samun iska kuma guje wa shakar tururinsa.

Na baya: 2,4,6-Trimethylnitrobenzene radical anion (CAS#34505-32-3)

Na gaba: 4-Hydroxybenzyl barasa (CAS#623-05-2)

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