Waikawa Methacrylic(MAA)
Ingoa Hua | Te waikawa methacrylic |
CAS No. | 79-41-4 |
tātai rāpoi ngota | C4H6O2 |
Te taumaha ngota | 86.09 |
Tātai Hanganga | |
nama EINECS | 201-204-4 |
MDL No. | MFCD00002651 |
Ira whakarewa 12-16 °C (marama)
Ira kohua 163 °C (marama)
Kiato 1.015 g/mL i te 25 °C (marama)
Kiato ngohe >3 (me te hau)
Te pehanga kohu 1 mm Hg (20 °C)
Taupū mataaro n20/D 1.431(marama)
Ira hiko 170 °F
Nga tikanga rokiroki Rokiroki i te +15°C ki te +25°C.
Waiwai Waiwai, Mewaro (Paariki)
Te ahua wai
Tauwehe waikawa (pKa)pK1:4.66 (25°C)
Tae Maama
He Repulsive te Kaka
PH 2.0-2.2 (100g/l, H2O, 20 ℃)
tepe pahū 1.6-8.7%(V)
Wairewa 9.7g /100 mL (20 ºC)
Te makuku me te Maama. Te makuku me te marama
Merck14,5941
BRN1719937
Tawhē o te rongo TLV-TWA 20 ppm (~70 mg/m3) (ACGIH).
Te pumau Ka taea te whakapumau ma te taapiri MEHQ (Hydroquinone methyl ether, ca. 250 ppm) he hydroquinone ranei. Ki te kore he kaiwhakamau ka ngawari te polymerize tenei rauemi. Ka tahuna. Kare e hototahi ki te kaha o te waiora, te waikawa hauwai.
InChIKeyCERQOIWHTDAKMF-UHFFFAOYSA-N
RangitakiP0.93 i te 22 ℃
Ngā Kīanga mōrearea: mōrearea
Whakaahuatanga morearea H302+H332-H311-H314-H335
Whakatupato P261-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338
Ko nga taonga kino tohu C
Waehere kāwai mōrearea 21/22-35-37-20/21/22
Tohutohu Haumaru 26-36/37/39-45
Waehere Kawenga Taonga Morearea UN 2531 8/PG 2
WGK Tiamana1
RTECS nama OZ2975000
Te wera wera 752 °F
TSCAAe
Waehere Tikanga 2916 13 00
Taumata mōrearea 8
Ko te Waahanga Packaging II
Paitini LD50 ā-waha i roto i te Rapeti: 1320 mg/kg
S26:Mena ka pa ki nga kanohi, horoi tonu ki te wai maha me te rapu tohutohu hauora.
S36/37/39:Ka mau i nga kakahu whakamarumaru tika, nga karapu me te whakamarumaru kanohi/kanohi.
S45:Mēnā he aituā, he māuiui rānei koe, rapu wawe i te tohutohu hauora (whakaatuhia te tapanga ina taea).
Rokiroki ki te waahi makariri. Puritia te ipu kia mau ki te hau ka rongoa ki tetahi wahi maroke, whai hau.
Kikī i roto i te 25Kg; 200Kg; 1000Kg pahu, Kikī rite ki te hiahia kiritaki ranei.
Ko te waikawa Methacrylic he matū matū nui me te takawaenga polymer.