Metharacrylic Acid (Maa)
| Khoom npe | Methalicic acid |
| Cas Tsis tau. | 79-41-4 |
| Molecular Cov Qauv | C4h6o2 |
| Molecular hnyav | 86.09 |
| Txheej Txheem Txheej Txheem Txheej Txheem | |
| Einecs tooj | 201s204-4 |
| MDL No. | MFCD00002651 |
Melting point 12-16 ° C (Lit.)
Hnhauam taw tes 163 ° C (Lit.)
Qeeb 1.015 g / ml ntawm 25 ° C (Lit.)
Vapor Density> 3 (vs huab cua)
Vapor siab 1 hli HG (20 ° C)
Refunt index N20 / d 1.431 (lit.)
Flash taw tes 170 ° F
Cia Khoom Cia Khoom Siv Ntawm + 15 ° C txog + 25 ° C.
Solubility chloroform, methanol (me ntsis)
Daim foos ua kua
Acidity factor (PMA) PK1: 4.66 (25 ° C)
Xim ntshiab
Cov ntxhiab tsw tau qias neeg
PH 2.0-2.2 (100g / l, H2O, 20 ℃)
Zaub txwv tsis pub dhau 1.6-8.7% (v)
Dej Solubility 9.7G / 100 ml (20 ºC)
Noo noo & lub teeb nkag siab. Ya raws & teeb nkag siab
MERCK14,5941
BN1719937
Margin of kis tlv-Twa 20 ppm (~ 70 mg / m3) (acgih).
Kev ruaj khov yuav ruaj khov los ntawm kev ntxiv ntawm meHQ (hydroquinone metyl ether, ca. 250 ppm) lossis hydroquinone. Thaum tsis muaj lub stabilizer no cov khoom yuav yooj yim polymerize. Combicible. Tsis sib haum nrog cov neeg sawv cev muaj zog, hydrochoforic acid.
InchikherqoInTDakmf-UhFFFAOYSA-N
Logp0.93 ntawm 22 ℃
Cov lus txaus ntshai: kev phom sij
Cov lus piav txog kev pheej hmoo H302 + H332-H311-H314-H335
Ceev Faj P261-P280-P301-P301 + P312-P303 + P361 + P353 P304 + P340 + P310-P351 + P338
Cov khoom lag luam phom sij mark c
Kev nyuaj siab Qeb Cai 21/2 22-35-37-20 / 21/22
Cov lus qhia txog kev nyab xeeb 26-36 / 37 / 39-45
Cov Khoom Siv Hluav Taws Xob Thauj Khoom Cai Tsis 2531 8 / pg 2
Wgk Lub Tebchaws Yelemees1
RTECS NAJ OZ2975000
Tshwm sim sib xyaw ua ke ultrasonic 752 ° F
TSCAYES
Code Code 2916 13 00
Qib Nyab Xeeb Qib 8
Ntim 6
Toxicity LD50 ofly nyob rau hauv luav: 1320 mg / kg
S26: Yog tias muaj kev sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej ntau thiab nrhiav cov lus qhia kho mob.
S36 / 37/37/39: Hnav khaub ncaws tiv thaiv haum, hnab looj tes thiab qhov muag / ntsib kev tiv thaiv.
S45: Thaum muaj kev huam yuaj lossis yog tias koj xav tias tsis muaj lus qhia txog kev kho mob tamsis (muab cov lus dag uas ua tau).
Khaws rau hauv qhov chaw txias. Khaws lub thawv ntim dav hlau thiab khaws cia rau hauv qhov chaw qhuav, muaj qhov cua.
Ntim hauv 25kg; 200kg; 1000kg nruas, lossis ntim raws li cov neeg siv khoom xav tau.
Metharacrylic acid yog ib qho tseem ceeb organic tshuaj raw khoom thiab polymer interlediate.
