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ibicuruzwa

1-Butanethiol (CAS # 109-79-5)

Umutungo wa Shimi:

Inzira ya molekulari C4H10S
Misa 90.19
Ubucucike 0.842g / mLat 25 ° C (lit.)
Ingingo yo gushonga −116 ° C (lit.)
Ingingo ya Boling 98 ° C (lit.)
Flash point 55 ° F.
Umubare wa JECFA 511
Amazi meza 0,60 g / 100 mL. Buhoro buhoro
Gukemura 0.597g / l
Umwuka 83 mm Hg (37.7 ° C)
Ubucucike bw'umwuka 3.1 (vs ikirere)
Kugaragara Amazi
Uburemere bwihariye 0.842
Ibara Ibara
Impumuro Gukomera cyane.
Imipaka ntarengwa NIOSH REL: 15-min igisenge 0.5 ppm (1.8 mg / m3), IDLH 500 ppm; OSHAPEL: TWA 10 ppm (35 mg / m3); ACGIH TLV: TWA 0.5 ppm (yemejwe).
Merk 14.1577
BRN 1730908
pKa 11.51 kuri 25 ° C (23.0% inzoga zo mu mazi tert-butyl, Friedman n'abandi., 1965)
Imiterere y'Ububiko Ubike munsi ya + 30 ° C.
Igihagararo Ihamye. Ntibishobora kubangikanya ibintu bya okiside, shingiro, ibyuma bya alkali. Birashya cyane. Birashobora guhinduka ibara ryumuyaga.
Yumva Ikirere
Umupaka uturika 1.4-11.3% (V)
Ironderero n20 / D 1.443 (lit.)
Ibintu bifatika na shimi Ibara ritagira ibara ryumuhondo. Tungurusumu cyangwa ibishishwa bigaragara ko ari impumuro mbi. Amavuta (<0.02mg / kg) ibinure, inyama zinka zitetse, igitunguru gitetse neza, amagi, ikawa, tungurusumu imeze nkimpumuro nziza. Ingingo itetse ya 97 ~ 98.4 deg C. Gushonga gake mumavuta, gushonga gake mumazi (0,6g / 100 m1), gushonga muri Ethanol. Ibicuruzwa bisanzwe biboneka muri foromaje, amagi yatetse, inyama zinka zitetse cyangwa zikaranze, byeri, nibindi.
Koresha Inganda zikorana buhanga

Ibicuruzwa birambuye

Ibicuruzwa

Kode y'ingaruka R11 - Biraka cyane
R20 / 22 - Byangiza muguhumeka kandi niba byamizwe.
R36 / 37/38 - Kurakaza amaso, sisitemu y'ubuhumekero n'uruhu.
R21 / 22 - Byangiza guhura nuruhu kandi niba byamizwe.
R43 - Birashobora gutera sensibilisation ukoresheje uruhu
Ibisobanuro byumutekano S16 - Irinde amasoko yo gutwikwa.
S23 - Ntugahumeke umwuka.
S26 - Mugihe uhuye namaso, kwoza ako kanya n'amazi menshi hanyuma ushakishe inama mubuvuzi.
S36 - Kwambara imyenda ikingira.
S9 - Bika kontineri ahantu hafite umwuka mwiza.
S36 / 37 - Wambare imyenda ikingira hamwe na gants.
S33 - Fata ingamba zo kwirinda ibicuruzwa bisohoka.
S37 - Kwambara uturindantoki dukwiye.
S37 / 39 - Kwambara uturindantoki dukwiye no kurinda amaso / kurinda amaso
Indangamuntu ya Loni UN 2347 3 / PG 2
WGK Ubudage 3
RTECS EK6300000
FLUKA BRAND F CODES 10-13-23
TSCA Yego
Kode ya HS 2930 90 98
Icyiciro cya Hazard 3
Itsinda ryo gupakira II
Uburozi LD50 mu kanwa mu Rukwavu: 1500 mg / kg

 

Intangiriro

Butyl mercaptan ni organic organic. Ibikurikira nintangiriro yimiterere yabyo, imikoreshereze, uburyo bwo gukora namakuru yumutekano:

 

Ubwiza:

- Kugaragara: Butyl mercaptan ni ibara ritagira ibara ryumuhondo ryoroshye kandi rifite impumuro mbi.

- Gukemura: Butyl mercaptan irashobora gushonga n'amazi, alcool na ethers, hanyuma igakora hamwe na aside aside na alkaline.

- Guhagarara: Butyl mercaptan ihagaze neza mu kirere, ariko ikorana na ogisijeni ikora okiside ya sulfuru.

 

Koresha:

- Imiti ya chimique: Butyl mercaptan irashobora gukoreshwa nkigikoresho gikunze gukoreshwa mubirunga kandi gikunze gukoreshwa muburyo bwa synthesis reaction.

 

Uburyo:

Hariho uburyo bwinshi bwo gutegura butyl mercaptan, harimo uburyo bubiri bukurikira:

- Kwiyongera kwa Ethylene muri sulfure: Mugukoresha Ethylene hamwe na sulfure, butyl mercaptan irashobora gutegurwa mugucunga ubushyuhe bwigihe nigihe cyo kubyitwaramo.

- Sulfation reaction ya butanol: butanol irashobora kuboneka mugukora butanol hamwe na hydrogen sulfide cyangwa sodium sulfide.

 

Amakuru yumutekano:

- Guhindagurika cyane: Butyl mercaptan ifite ihindagurika ryinshi nimpumuro mbi, kandi hagomba kwirindwa guhumeka imyuka myinshi ya gaze.

- Kurakara: Butyl mercaptan igira ingaruka mbi ku ruhu, amaso no mu myanya y'ubuhumekero, bityo rero igomba kwozwa n'amazi mugihe cyo guhura, kandi hagomba kwirindwa guhura cyangwa guhumeka imyuka myinshi ya gaze.

- Uburozi: Butyl mercaptan irashobora kugira ingaruka zuburozi kumubiri wumuntu mwinshi cyane, kandi hagomba kwitonderwa umutekano wokoresha no kubika.

 

Mugihe ukoresheje butyl mercaptan, hagomba gukurikizwa uburyo bwo gufata neza imiti yabigenewe kandi hagomba gutangwa ibikoresho bibarinda nka gants, amadarubindi n imyenda ikingira.


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