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Ethylene Glycol
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Ethylene Glycol

Ethylene glycol inozivikanwawo se glycol, 1,2-ethylene glycol, kana EG. Fomura yemakemikari iyi (CH₂OH)₂ uye ndiyo diol iri nyore. Ethylene glycol imvura isina ruvara, isina hwema, inotapira, ine chepfu shoma kumhuka, ethylene glycol inogona kusanganiswa nemvura neacetone, asi kunyungudika kwayo kushoma mu ethers. Inoshandiswa se solvent, antifreeze uye raw material ye synthetic polyester. Polyethylene glycol (PEG), polymer ye ethylene glycol, i phase transfer catalyst inoshandiswawo pakusanganiswa kwemasero; nitrate yayo inoputika.

  • Nhamba yeCAS 107-21-1 [54]
  • Fomura yeMakemikari (CH₂OH)₂
  • Kurema kweMorekuru 62.068 [54]

Chimiro cheChigadzirwa

Iniane

Index

EINECS

203-473-3

Nzvimbo yekunyunguduka

-13°C (yakavhenekerwa)

Pokufashaira

195-198°C

Kuwanda kwevanhu

1.113 g/mL pa25°C (yakapfava)

Kuwanda kwemhepo

2.1 (zvichienzaniswa nemhepo)

Kumanikidzwa kwemhepo

0.08 mm Hg (20°C)

Indekisi yeRefractive

n20/D 1.431(lit.)

Pokupenya

230°F

Tembiricha yekuchengetera.

2-8°C

Kunyunguduka

mvura: inosanganiswa

Fomu

Mvura Inonamira

pKa

14.22 (pa25℃)

Ruvara

Bhuruu

Polarity yehukama

0.79

PH

6-7.5 (100g/l, H2O, 20℃)

Kunhuhwirira

Hainhuhwiriri

Muganhu Wekuputika

3.2%(V)

Kunyungudika Kwemvura

sanganisa

Nzvimbo yechando

-11.5℃

Inonzwisisika

Hygroscopic

λmax

λ: 260 nm Max: ≤0.03

λ: 280 nm Max: ≤0.01

Merck

14,3798

BRN

505945

Miganhu yekuratidzwa

Muganho wedenga mumhepo weutsi nemhute 50 ppm (~125 mg/m2)3) (ACGIH); TWA 10 mg/m3 (zvikamu) (MSHA).

Dielectric constant

37.0(20℃)

LogP

-1.36 pa25℃

Kushushikana kwepamusoro

47.7mN/m pa20°C

WGK Germany

3

RTECS

KW2975000

Kupisa Kwemoto

752 °F

TSCA

Ehe

Huturu

LD50 mumakonzo, nguruve dzemuGuinea (g/kg): 8.54, 6.61 nemuromo (Smyth); mumakonzo (ml/kg): 13.79 nemuromo (Bornmann)

Chinhu Index Chikamu Kukosha Nzira dzekuongorora
Nhamba yeLoti / / SR2025041210 /
Chitarisiko Mvura yakajeka, isina tsvina yemakanika / Mvura yakajeka, isina tsvina yemakanika Kuongorora Zvinoonekwa
Ethylene Glycol ≥99.9 %(m/m) 99.94 GB/T 14571.2-2018
Diethylene Glycol ≤0.050 %(m/m) 0.039 GB/T 14571.2-2018
Ruvara (Usati Wadziisa) ≤5 Nhamba yePlatinamu - Cobalt 2 GB/T 3143-1982 (2004)
Kuwanda (20℃) 1112.8-1113.8 Kg/m³ 1111.3 GB/T 29617-2013
Range yeKufashaira GB/T 7534-2004
Nzvimbo Yokutanga Yokubikira ≥196.0 197
Nzvimbo Yakaoma ≤199.0 198
Range 1
Hunyoro ≤0.08 %(m/m) 0.014 GB/T 6283-2008
Acidity (Yakaverengwa seAcetic Acid) ≤10 mg/kg 6 GB/T 14571.1-2016
Zviri Musimbi ≤0.10 mg/kg 0.10 GB/T 3049-2006
Zviri Mudota ≤10 mg/kg 10 GB/T 7531-2008
Zviri muAldehyde (Zvinoverengwa seFormaldehyde) ≤8.0 mg/kg 7.9 GB/T 14571.3-2008
Kutakurwa kweUV % GB/T 14571.4-2008
220nm ≥75 87.9
275nm ≥92 99.3
350nm ≥99 100
Ioni yeChloride ≤0.5 mg/kg 0.5 GB/T 4649-2018

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