Methacrylic acid (MAA)
| Aha ngwaahịa | Methacrylic acid |
| CAS Mba. | 79-41-4 |
| Usoro ihe omimi | C4H6O2 |
| Ibu arọ molekụla | 86.09 |
| Usoro nhazi | |
| Nọmba EINECS | 201-204-4 |
| MDL Mba. | MFCD00002651 |
Ebe mgbaze 12-16 Celsius (ọkụ)
Ebe esi esi 163 Celsius C (ọkụ)
Njupụta 1.015 g/mL na 25 Celsius (ọkụ)
Uzuoku njupụta>3 (vs ikuku)
Uzuoku mgbali 1 mm Hg (20 Celsius C)
Ntụgharị ntụgharị n20/D 1.431(lit.)
Ebe ọkụ ọkụ 170 °F
Ọnọdụ nchekwa na-echekwa na +15°C ruo +25°C.
Chloroform solubility, methanol (obere)
Ụdị mmiri mmiri
Ihe na-akpata acidity (pKa) pK1:4.66 (25°C)
Agba doro anya
Isi na-asọ oyi
PH 2.0-2.2 (100g/l, H2O, 20℃)
oke mgbawa 1.6-8.7%(V)
Mmiri solubility 9.7g / 100 ml (20 ºC)
Mmiri & Ìhè nwere mmetụta. Mmiri & ọkụ nwere mmetụta
Merck14,5941
BRN1719937
Oke nke mkpughe TLV-TWA 20ppm (～70 mg/m3) (ACGIH).
Enwere ike ịkwado nkwụsi ike site na mgbakwunye MEHQ (Hydroquinone methyl ether, ca. 250 ppm) ma ọ bụ hydroquinone. Na enweghị stabilizer ihe a ga-eme ngwa ngwa polymerize. Enwere ike ịgbanwu ọkụ. Na-ekwekọghị na ihe ndị na-egbu egbu siri ike, hydrochloric acid.
InChIKeyCERQOIWHTDAKMF-UHFFFAOYSA-N
LogP0.93 na 22 ℃
Nkebiokwu ihe egwu: egwu
Nkọwa ihe egwu H302+H332-H311-H314-H335
Akpachara anya P261-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338
Ngwaahịa dị ize ndụ akara C
Koodu udi egwu 21/22-35-37-20/21/22
Ntuziaka nchekwa 26-36/37/39-45
Koodu njem ngwa ahịa dị ize ndụ UN 2531 8/PG 2
WGK Germany 1
Nọmba RTECS OZ2975000
Okpomọkụ ọkụ ọkụ 752 Celsius F
TSCAYEs
Koodu nzipu ozi 2916 13 00
Ọkwa egwu 8
Nkwakọ ngwaahịa Category II
Nsi LD50 ọnụ na oke bekee: 1320 mg / kg
S26: Ọ bụrụ na ị na-ahụ anya, jiri mmiri buru ibu sachaa ozugbo wee chọọ ndụmọdụ ahụike.
S36/37/39: Yiri uwe nchebe kwesịrị ekwesị, uwe aka na nchebe anya / ihu.
S45: Ọ bụrụ na ihe mberede ma ọ bụ ọ bụrụ na ahụ adịghị gị mma, chọọ ndụmọdụ ahụike ozugbo (gosi lable ebe enwere ike).
Chekwaa n'ebe dị jụụ. Debe akpa ahụ ka ọ ghara ikuku ma chekwaa ya n'ebe kpọrọ nkụ, ikuku ikuku.
Juru n'ọnụ na 25Kg; 200Kg; 1000Kg drum, ma ọ bụ juru n'ọnụ dị ka ndị ahịa mkpa.
Methacrylic acid bụ ihe dị mkpa kemịkalụ akụrụngwa akụrụngwa yana etiti polymer.
