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ngwaahịa

Mesitylene (CAS#108-67-8)

Ngwongwo kemịkalụ:

Usoro ihe omimi C9H12
Molar Mass 120.19
Njupụta 0.864 g/mL na 25 Celsius (ọkụ)
Ebe Na-agbaze -45 Celsius C
Ebe Boling 163-166C (ọkụ)
Ebe mgbari 112°F
Mmiri Solubility 2.9 g/L (20ºC)
Solubility Aṅụ mmanya na-aba n'anya, benzene, ether (Windholz et al., 1983), na trimethylbenzene isomers.
Uzuoku nrịbama 14 mm Hg (55 Celsius C)
Uzuoku Njupụta 4.1 (vs ikuku)
Ọdịdị Mmiri mmiri
Agba Kpochapụ enweghị agba
Oke ngosi NIOSH REL: TWA 25 ppm (125 mg / m3); ACGIH TLV: TWA maka mixisomers 25 ppm (nakweere).
Merck 14,5907
BRN 906806
pKa > 14 (Schwarzenbach et al., 1993)
Ọnọdụ Nchekwa 2-8 Celsius C
Nkwụsi ike Kwụsie ike. Na-agbanyụ ọkụ. Ekwekọrịtaghị na ndị ọrụ oxidizing siri ike.
Oke ihe mgbawa 0.88-6.1%, 100°F
Ntụgharị uche n20/D 1.499 (ọkụ)
Njirimara anụ ahụ na kemịkalụ Àgwà: mmiri mmiri transperent enweghị agba.
ebe agbaze -44.7 ℃ (α-ụdị), -51 ℃
esi esi 164,7 ℃
njupụta ikwu 0.8652
index refractive 1.4994
flash point 44 ℃
solubility insoluble na mmiri, soluble na ethanol, nwere ike igbari n'ụzọ ọ bụla nke benzene, ether, acetone.
Jiri Maka mmepụta nke trimesic acid na antioxidants, epoxy resin curing agent, polyester resin stabilizer, alkyd resin plasticizer na dye.

Nkọwa ngwaahịa

Mkpado ngwaahịa

Koodu ihe egwu R10 - ọkụ
R37 - na-akpasu iwe na usoro iku ume
R51/53 - Ihe na-egbu egbu na ihe ndị dị ndụ na mmiri, nwere ike ịkpata mmetụta ọjọọ na-adịte aka na gburugburu mmiri.
R39/23/24/25 -
R23/24/25 - Na-egbu egbu site na iku ume, na kọntaktị na akpụkpọ ahụ ma ọ bụrụ na iloro ya.
R11 - Na-agba ọkụ nke ukwuu
R37 / 38 - na-akpasu iwe na usoro iku ume na akpụkpọ ahụ.
Nkọwapụta nchekwa S61 – Zere ntọhapụ na gburugburu ebe obibi. Rụtụ aka na ntuziaka pụrụ iche / mpempe data nchekwa.
S45 - Ọ bụrụ na ihe mberede ma ọ bụ ọ bụrụ na ahụ adịghị gị mma, chọọ ndụmọdụ ahụike ozugbo (gosi akara ahụ mgbe ọ bụla enwere ike.)
S36/37 - Yiri uwe nchebe kwesịrị ekwesị na uwe aka.
S16 - Wepụ ya na isi mmalite nke mgbanye.
S7 - Debe akpa ahụ nke ọma.
NJ UN UN 2325 3/PG 3
WGK Germany 2
RTECS OX6825000
FLUKA BRAND F CODES 10
TSCA Ee
Koodu HS 29029080
Ihe edeturu egwu Na-ewe iwe/ọkụ
Klas Hazard 3
Otu nkwakọ ngwaahịa III
Nsi LD50 (inhalation) maka oke 24 g/m3/4-h (nke ekwuru, RTECS, 1985).

 

Okwu mmalite

Ogo:

Methylbenzene bụ mmiri mmiri na-enweghị agba nke nwere isi ísì ụtọ.

- Trimethylbenzene bụ ihe a na-adịghị ahụkebe na mmiri yana soluble na ihe mgbaze organic dị ka alcohols, ethers na ketone solvents.

 

Jiri:

- A na-ejikarị M-trimethylbenzene eme ihe dị ka ihe mgbaze na njikọ organic.

- A na-eji ya na nkwadebe nke ekpomeekpo, pigmenti, akwa na fluorescent.

- Maka nkwadebe nke inks, nhicha na mkpuchi.

 

Usoro:

- Enwere ike ịkwadebe Methylbenzene site na toluene site na alkylation. Usoro a na-ahụkarị bụ iji methane meghachi omume toluene n'okpuru ọnọdụ nke ihe na-akpata na okpomọkụ kwesịrị ekwesị iji mepụta homoxylene.

 

Ozi nchekwa:

- Trimethylbenzene nwere ụfọdụ nsi na mgbakasị ahụ mmetụta na akpụkpọ na anya.

- Trimethylbenzene na-ere ọkụ na ekwesịrị ka echekwa ya ka ọ ghara imeghe ọkụ na oke okpomọkụ. Lezienụ anya na usoro mgbochi ọkụ mgbe ị na-echekwa na iji.

- Mgbe ị na-eji x-trimethylbenzene, nye ọnọdụ ikuku dị mma ma zere ikuku ume nke vapors ya.


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