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huahana

2-Methylthio thiazole(CAS#5053-24-7)

Waiwai Kemika:

ʻĀpana Molekala C4H5NS2
Molar Mass 131.22
ʻO ka mānoanoa 1.271 g/mL ma 25 °C (kukui.)
Lae hehee 132 °C
Lae Boling 205-207 °C (māmā)
Lae Flash 195°F
Puʻupuʻu mahu 0.248mmHg ma 25°C
pKa 2.42±0.10(Wanamua)
Kūlana Waihona Ka lewa inert, ka wela lumi
Hōʻike Hōʻike n20/D 1.6080(māmā)

Huahana Huahana

Huahana Huahana

Nā hōʻailona pōʻino Xi – Hoʻohaunaele
Nā Code Risk 36/37/38 – Hoʻonanea i nā maka, ʻōnaehana hanu a me ka ʻili.
Ka wehewehe palekana S26 – Inā pili me nā maka, e holoi koke me ka wai nui a e ʻimi i ka ʻōlelo aʻo kino.
S36 – E komo i nā lole pale kūpono.
UN ID UN 3334
WGK Kelemānia 3
HS Code 29349990

 

Hoʻolauna

ʻO 2-(methio)thiazole kahi mea hoʻohuihui. ʻIke pinepine ʻia ʻo ia me ke kala ʻole i nā kristal melemele māmā a i ʻole nā ​​pauka paʻa.

 

ʻO kona mau waiwai, ʻo 2-(methylthio)thiazole he mea alkaline nāwaliwali, hiki ke hoʻoheheʻe ʻia i loko o ka solution acidic, hiki ke hoʻoheheʻe ʻia i ka wai, hiki ke hoʻoheheʻe ʻia i nā mea hoʻoheheʻe kūlohelohe e like me ka ethanol a me ka etera. Loaʻa iā ia kahi ʻala maʻalahi a paʻakikī.

 

ʻO ka hoʻohana nui ʻana o 2-(methio)thiazole me:

Pesticides: He mea koʻikoʻi ia i loko o kekahi mau fungicides a me nā insecticides i hoʻohana ʻia e pale i nā mea kanu a me nā mea kanu mai nā maʻi a me nā pests.

 

ʻElua mau ala maʻamau no ka hoʻomākaukau ʻana i ka 2-(methylthio)thiazole:

Loaʻa ʻia ke ʻano Synthesis 1: 2-(methylthio)thiazole ma ka hopena o ka methylthiomalonic acid a me ka thiourea.

ʻO ke ala Synthesis 2: 2-(methylthio)thiazole i loaʻa ma ka hopena o benzoacetonitrile a me thioacetic acid amine.

 

ʻO kāna ʻike palekana: 2-(methylthio)thiazole ma ke ʻano palekana ma lalo o ka hoʻohana kūpono a me nā kūlana mālama pono. Ma ke ʻano he kemika, ua ʻano ʻona a hoʻonāukiuki. Pono e pale ʻia ka pili ʻana i ka ʻili a me ka inhalation o ke kinoea i ka wā e hoʻohana ai. Pono e hoʻohana ʻia nā mea pale pilikino e like me nā mīkina lima pale, nā goggles, a me nā respirator. Pono e mālama pono a hoʻolei ʻia nā mea kemika, a pono e hahai i nā kaʻina hana palekana kūpono. E ʻoluʻolu e heluhelu a hahai i ka Pepa ʻIkepili Palekana (SDS) a me nā kuhikuhi ma mua o ka hoʻohana ʻana.


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