Methacrylic acid (MAA)
| Orukọ ọja | Methacrylic acid |
| CAS No. | 79-41-4 |
| Ilana molikula | C4H6O2 |
| Ìwúwo molikula | 86.09 |
| Ilana igbekale | |
| nọmba EINECS | 201-204-4 |
| MDL No. | MFCD00002651 |
Aaye yo 12-16 °C (tan.)
Oju ibi farabale 163 °C (tan.)
Iwuwo 1.015 g/ml ni 25°C (tan.)
Ooru iwuwo> 3 (la afẹfẹ)
Ipa oru 1 mm Hg (20 °C)
Atọka itọka n20/D 1.431(tan.)
Filasi ojuami 170 °F
Awọn ipo ipamọ Fipamọ ni +15°C si +25°C.
Solubility Chloroform, Methanol (Diẹ)
Fọọmu olomi
Okunfa acid (pKa) pK1:4.66 (25°C)
Awọ Clear
Òórùn jẹ́ Ẹrira
PH 2.0-2.2 (100g/l, H2O, 20℃)
iye ibẹjadi 1.6-8.7% (V)
Solubility omi 9.7g / 100 milimita (20ºC)
Ọrinrin & Ina Sensitive.Ọrinrin & ifarabalẹ ina
Merck14,5941
BRN1719937
Ala ti ifihan TLV-TWA 20 ppm (～70 mg/m3) (ACGIH).
Iduroṣinṣin le jẹ imuduro nipasẹ afikun MEHQ (Hydroquinone methyl ether, ca. 250 ppm) tabi hydroquinone.Ni aini imuduro, ohun elo yii yoo ṣe polymerize ni imurasilẹ.Ijona.Ibamu pẹlu awọn aṣoju oxidizing lagbara, hydrochloric acid.
InChIKeyCERQOIWHTDAKMF-UHFFFAOYSA-N
LogP0.93 ni 22 ℃
Awọn gbolohun Ewu: Ewu
Apejuwe Ewu H302+H332-H311-H314-H335
Awọn iṣọra P261-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338
Awọn ọja ti o lewu C
koodu ẹka 21/22-35-37-20/21/22
Awọn ilana aabo 26-36/37/39-45
Ewu Awọn koodu Gbigbe Ọja UN 2531 8/PG 2
WGK Germany1
RTECS nọmba OZ2975000
Lẹsẹkẹsẹ ijona otutu 752 °F
TSCAYEs
koodu kọsitọmu 2916 13 00
Ewu ipele 8
Iṣakojọpọ Ẹka II
Majele LD50 ẹnu ni Ehoro: 1320 mg/kg
S26: Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun.
S36 / 37/39: Wọ aṣọ aabo to dara, awọn ibọwọ ati aabo oju / oju.
S45: Ni ọran ti ijamba tabi ti o ba ni aibalẹ, wa imọran iṣoogun lẹsẹkẹsẹ (ṣafihan lable nibiti o ti ṣee).
Tọju ni itura kan.Jeki apo eiyan naa jẹ airtight ki o tọju si ibi gbigbẹ, aaye afẹfẹ.
Ti kojọpọ ni 25Kg; 200Kg; 1000Kg ilu, tabi aba ti ni ibamu si awọn iwulo alabara.
Methacrylic acid jẹ ohun elo aise kemikali Organic pataki ati agbedemeji polymer.
