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huahana

Ulaula 25 CAS 3176-79-2

Waiwai Kemika:

ʻĀpana Molekala C24H20N4O
Molar Mass 380.44
ʻO ka mānoanoa 1.19±0.1 g/cm3 (Wanamua)
Lae hehee 173-175°C(kukui.)
Lae Boling 618.8±55.0 °C(Wānana ʻia)
Lae Flash 306°C
Ka hikiwawe Acetonitrile (Liʻiliʻi), Dichloromethane (Liʻiliʻi), DMSO (Liʻiliʻi)
Puʻupuʻu mahu 1.5E-13mmHg ma 25°C
Ka nana aku Paʻa
kalakala Ula ʻeleʻele loa
pKa 13.45±0.50(Wānana ʻia)
Kūlana Waihona pahu hau
Hōʻike Hōʻike 1.644
MDL MFCD00021456
Na Waiwai Kino a Kimia ʻulaʻula pauda. ʻAʻole hiki ke hoʻoheheʻe ʻia i ka wai, hiki ke hoʻoheheʻe ʻia i ka ethanol, acetone a me nā mea hoʻoheheʻe organik ʻē aʻe. Kū'ē i ka 5% hydrochloric acid a me ka sodium carbonate. I loko o ka ʻakika sulfuric concentrated i ka uliuli ʻōmaʻomaʻo, hoʻoheheʻe ʻia e hana i ka ua ʻulaʻula; I ka 10% sulfuric acid ʻaʻole e hoʻoheheʻe; ʻAʻole hoʻoheheʻe ʻia ka hopena sodium hydroxide paʻa.

Huahana Huahana

Huahana Huahana

WGK Kelemānia 3

 

Hoʻolauna

ʻO Sudan B he mea hoʻonalohelohe synthetic me ka inoa kemika ʻo Sauermann Red G. No ka hui azo o nā mea pena a he mea ʻalani ʻulaʻula crystalline pauda.

 

ʻAʻole hiki ke hoʻoheheʻe ʻia ʻo Sudan B i ka wai, akā maikaʻi kona hoʻoheheʻe ʻana i nā mea hoʻoheheʻe organik. Loaʻa iā ia ka māmā māmā a me ka pale ʻana i ka paila a hiki ke hoʻohana ʻia i nā mea pena e like me ka textiles, ka pepa, ka ʻili a me nā plastics.

 

He mea maʻalahi ke ʻano o ka hoʻomākaukau ʻana o Sudan B, a ʻo ke ʻano maʻamau ka hana ʻana i ka dinitronaphthalene me 2-aminobenzaldehyde, a loaʻa nā huahana maʻemaʻe ma o nā kaʻina hana e like me ka hoʻemi a me ka recrystallization.

 

ʻOiai ua hoʻohana nui ʻia ʻo Sudan B i ka ʻoihana kala, he mea ʻawaʻawa a me ka carcinogenic. Hiki ke hoʻopōʻino i ke kino o ke kanaka, e like me nā hopena ʻona ma ke ake a me nā puʻupaʻa.

 


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