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khoom

2-Methyl-4-nitroaniline (CAS # 99-52-5)

Chemical Property:

Molecular Formula C7H8N2O2
Molar Mass 152.15 Nws
Qhov ntom 1.1586 ib
Melting Point 130-132 ° C (lit.)
Boling Point 294.61°C (kev kwv yees kwv yees)
Flash Point 157.2 ℃
Solubility Dichloromethane, DMSO, Ethyl Acetate, Methanol
Vapor Siab 20.4 hPa ntawm 133.5 ℃
Qhov tshwm sim Crystalline hmoov los yog koob zoo
Xim Yellow rau khaki los yog brownish
BRN 775772 ib
pKa 0.92 ± 0.10 (kwv yees)
PH 7 (H2O) (aqueous suspension)
Kev cia khoom Khaws hauv qab +30 ° C.
Refractive Index 1.6276 (kwv yees)
Physical thiab Chemical Properties Cov yam ntxwv daj muaju.
melting point 134 ~ 135 ℃
txheeb ze ntom ntom 1.1586
flash point 157.2 ℃
Soluble hauv ethanol, benzene thiab acetic acid.
Siv Feem ntau yog siv rau paj rwb, hemp fiber ntau dyeing thiab luam ntawv xim, kuj siv rau kev tsim cov coatings

Product Detail

Khoom cim npe

Risk Codes R23/24/25 – Toxic los ntawm inhalation, nyob rau hauv kev sib cuag nrog daim tawv nqaij thiab yog hais tias nqos.
R33 - Kev phom sij ntawm cov teebmeem tshwm sim
R51/53 - Cov tshuaj lom rau cov kab mob hauv dej, tuaj yeem ua rau muaj kev cuam tshuam ntev rau hauv dej hiav txwv.
Kev nyab xeeb piav qhia S28 - Tom qab sib cuag nrog daim tawv nqaij, ntxuav tam sim nrog xab npum-suds ntau.
S36/37 - Hnav cov khaub ncaws tiv thaiv thiab hnab looj tes tsim nyog.
S45 - Thaum muaj xwm txheej lossis yog tias koj tsis xis nyob, nrhiav kev kho mob tam sim ntawd (qhia daim ntawv lo thaum twg ua tau.)
S61 - Tsis txhob tso tawm rau ib puag ncig. Xa mus rau cov lus qhia tshwj xeeb / cov ntaub ntawv kev nyab xeeb.
S28A -
UN IDs UN 2660 6.1/PG 3
WGK Germany 2
RTECS XU8210000
TSCA Yog lawm
HS Code 29214300 ib
Kev Ceeb Toom Irritant
Hazard Class 6.1
Packing Group III

 

Taw qhia

2-Methyl-4-nitroaniline yog cov organic compound. Nws yog daj rau txiv kab ntxwv crystalline khoom nrog zoo stability. Cov hauv qab no yog kev qhia txog cov khoom, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb ntawm 2-methyl-4-nitroaniline:

 

Zoo:

- Zoo li: daj rau txiv kab ntxwv crystalline khoom

- Soluble: Soluble hauv qee cov kuab tshuaj organic xws li ethanol, chloroform thiab dimethyl sulfoxide.

 

Siv:

- Kev lag luam tshuaj: 2-methyl-4-nitroaniline tuaj yeem siv los ua ib qho nruab nrab ntawm cov organic synthesis rau kev sib txuas ntawm cov tshuaj xws li dyes, tshuaj tua kab thiab cov khoom tawg.

 

Txoj kev:

Muaj ntau txoj hauv kev los npaj 2-methyl-4-nitroaniline:

- Direct nitrification: 2-methyl-4-aminoaniline reacted nrog concentrated nitric acid los tsim 2-methyl-4-nitroaniline.

- Oxidation-nitrification: 2-methyl-4-bromoaniline yog reacted nrog ntau tshaj aniline peroxide thiab tom qab ntawd nrog concentrated nitric acid los tsim 2-methyl-4-nitroaniline.

 

Cov ntaub ntawv kev nyab xeeb:

- 2-Methyl-4-nitroaniline yog ib qho tawg uas yuav ua rau tawg thaum raug hluav taws kub lossis kub kub.

- Thaum tuav 2-methyl-4-nitroaniline, hnav cov khoom tiv thaiv tus kheej xws li hnab looj tes tiv thaiv, tsom iav, thiab hnav ris tsho, thiab xyuas kom meej tias nws ua haujlwm hauv qhov chaw muaj cua zoo.

- Tsis txhob kov ntawm daim tawv nqaij, qhov muag, thiab ua pa.

- Tsis txhob sib cuag nrog cov khoom siv hluav taws xob, oxidants, acids thiab lwm yam khoom thaum khaws cia thiab thauj mus los.

 


  • Yav dhau los:
  • Tom ntej:

  • Sau koj cov lus ntawm no thiab xa tuaj rau peb