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ibicuruzwa

2,5-Dihydroxybenzoic aside (CAS # 490-79-9)

Umutungo wa Shimi:

Inzira ya molekulari C7H6O4
Misa 154.12
Ubucucike 1.3725 (igereranya)
Ingingo yo gushonga 204-208 ° C (lit.)
Ingingo ya Boling 237.46 ° C (igereranya)
Flash point 214 ° C.
Amazi meza gushonga
Gukemura Gushonga muri methanol, amazi ya aside
Umwuka 2.38E-07mmHg kuri 25 ° C.
Kugaragara Ifu yera cyangwa kirisiti
Ibara Umweru to beige
Merk 14.4398
BRN 2209119
pKa 2.97 (kuri 25 ℃)
PH 3.21 (igisubizo cya mM 1); 2.56 (10 mM igisubizo); 2.01 (100 mM igisubizo)
Imiterere y'Ububiko Ubike munsi ya + 30 ° C.
Yumva Yumva urumuri
Ironderero 1.6400 (igereranya)
MDL MFCD00002460
Ibintu bifatika na shimi gushonga ingingo 204-207 ° C.
igisubizo cyamazi
Koresha Ikoreshwa nka farumasi Hagati

Ibicuruzwa birambuye

Ibicuruzwa

Kode y'ingaruka R22 - Byangiza niba byamizwe
R36 / 37/38 - Kurakaza amaso, sisitemu y'ubuhumekero n'uruhu.
Ibisobanuro byumutekano S26 - Mugihe uhuye namaso, kwoza ako kanya n'amazi menshi hanyuma ushakishe inama mubuvuzi.
S36 - Kwambara imyenda ikingira.
S37 / 39 - Kwambara uturindantoki dukwiye no kurinda amaso / kurinda amaso
WGK Ubudage 3
RTECS LY3850000
TSCA Yego
Kode ya HS 29182990
Icyitonderwa Byangiza

 

Intangiriro

2,5-Dihydroxybenzoic aside ni ifumbire mvaruganda. Ibikurikira nintangiriro yimiterere yabyo, imikoreshereze, uburyo bwo gutegura namakuru yumutekano:

 

Ubwiza:

- Kugaragara: 2,5-dihydroxybenzoic aside ni ifu yera ya kristaline.

- Gukemura: Irashobora gushonga mumazi no mumashanyarazi kama nka Ethanol na chloroform.

- pH: Ni acide nkeya mubisubizo byamazi.

 

Koresha:

- Sintezike yimiti: 2,5-dihydroxybenzoic aside irashobora gukoreshwa nkibikoresho fatizo bya synthesis organique kandi irashobora kugira uruhare muburyo butandukanye bwimiti kugirango itegure ibindi bintu.

 

Uburyo:

- Uburyo bukoreshwa muburyo bwo gutegura ni synthesis ya 2,5-dihydroxybenzoic acide na acide acide yumuriro wa acide phthalic.

 

Amakuru yumutekano:

- 2,5-Dihydroxybenzoic aside ni mike ugereranije no kwangiza abantu nibidukikije mugihe gisanzwe gikora.

- Irashobora kurakaza no kwangiriza amaso nuruhu kandi igomba kwirindwa mugihe ikora. Mugihe uhuye nimpanuka, kwoza ako kanya n'amazi menshi.

- Mugihe cyo guhunika, hagomba kwitonderwa kugirango wirinde guhura na okiside ikomeye, ubushyuhe bwinshi, n’amasoko yo gutwika kugirango bigabanye ingaruka z’umutekano.


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