asia_oju-iwe

ọja

2-Mercaptonicotinic acid (CAS# 38521-46-9)

Ohun-ini Kemikali:

Fọọmu Molecular C6H5NO2S
Molar Mass 155.17
iwuwo 1.357 (iṣiro)
Ojuami Iyo 263-265°C(tan.)
Ojuami Boling 295.3± 50.0 °C(Asọtẹlẹ)
Oju filaṣi 98.3°C
Vapor Presure 0.00727mmHg ni 25°C
Ifarahan Iyẹfun ofeefee
Àwọ̀ ofeefee
BRN Ọdun 119029
pKa 1.98± 0.20 (Asọtẹlẹ)
Ibi ipamọ Ipo Afẹfẹ inert,Iwọn otutu yara
Ni imọlara Afẹfẹ Sensitive
Atọka Refractive 1.5380 (iṣiro)
MDL MFCD00010102
Ti ara ati Kemikali Properties
yo ojuami 270 °C
Lo Ti a lo bi Agbedemeji elegbogi

Alaye ọja

ọja Tags

Awọn aami ewu Xi - Irritant
Awọn koodu ewu 36/37/38 - Irritating si oju, eto atẹgun ati awọ ara.
Apejuwe Abo S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun.
S37 / 39 - Wọ awọn ibọwọ ti o dara ati aabo oju / oju
WGK Germany 3
FLUKA BRAND F koodu 10-23
TSCA Bẹẹni
HS koodu 29309090
Kíláàsì ewu IKANU

 

Ọrọ Iṣaaju

2-mercapto-3-pyridylcarboxylic acid jẹ ẹya Organic yellow. Atẹle jẹ ifihan si awọn ohun-ini rẹ, awọn lilo, awọn ọna iṣelọpọ ati alaye ailewu:

 

Didara:

- Irisi: 2-mercapto-3-pyrolinic acid ko ni awọ si ina ofeefee kirisita tabi okuta ti o lagbara.

- Ori ti olfato: ni olfato pataki kan.

- Solubility: Tiotuka ninu omi, ethanol ati chloroform.

 

Lo:

- O le ṣee lo bi igbaradi fun awọn oogun apakokoro, awọn ohun alumọni, ati awọn aṣoju idiju.

 

Ọna:

2-mercapto-3-pyrolicarboxylic acid le jẹ pese sile nipasẹ:

- Balinomycin fesi pẹlu carbamate lati fun mercapto-picolinate.

- Idahun Esterification: mercapto-picolinate ti ṣe pẹlu alkyd acid ti o baamu lati gba 2-mercapto-3-pyridylcarboxylic acid.

 

Alaye Abo:

- 2-mercapto-3-picolinic acid jẹ irritating. Lẹsẹkẹsẹ lẹhin olubasọrọ pẹlu awọ ara ati oju, fi omi ṣan pẹlu ọpọlọpọ omi.

- Inhalation ti eruku tabi vapors yẹ ki o yee lakoko iṣẹ lati rii daju awọn ipo atẹgun ti o dara.

- Awọn ibọwọ aabo, awọn goggles ati iboju aabo kan nilo fun lilo.

- Ni ọran ti ijamba tabi jijẹ lairotẹlẹ, wa akiyesi iṣoogun lẹsẹkẹsẹ ki o pese alaye nkan ti o yẹ.


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