Zita: 3-Hydroxy-2-naphthoic acid
Alias: CI Developer 20; CI Mugadziri 20 (Obs.); CI Mugadziri 8; 3-Hydroxy-2-naphthalenecarboxylic acid; Bon Acid; beta-oxynaphthoic asidhi; 2,3-Bon Acid; Yakanatswa Bon Acid; 2-Hydroxy- 3-Naphthalene Carboxylic acid; 3-Hydroxy-2-Naphthlene Carboxylic acid; 3-Hydroxy-2-Naphthalene Carboxylic acid; 2-Hydroxy-3-naphthoic acid; 3-hydroxynaphthalene-2-carboxylate
CAS nhamba: 92-70-6
EINECS nhamba: 202-180-8
Molecular formula: C11H8O3
Molecular uremu: 187.172
InChI: InChI=1/C11H8O3/c12-10-6-8-4-2-1-3-7(8)5-9(10)11(13)14/h1-6,12H,(H,13 ,14)/p-1
Kunyungudika: 217-223°C
Poindi yekubikira: 367.7°C pa760 mmHg
Flash point: 190.4°C
Kunyungudika kwemvura: PRACTICALLY INSOLUBLE
Mhepo yehutsi: 4.68E-06mmHg pa25°C

2-Naphthol-3-carboxylic acid inoshandiswa kugadzira naphthol AS nemamwe manaphthol akasiyana, akadai senaphthol AS-BO, AS-RL, AS-E, AS-D, AS-VL, AS-BS, AS- OL.

Physical data
1. Properties: light yellow crystals.

2. Kuwanda (g/mL, 25/4℃): 1.034

3. Relative vapor density (g/mL, mhepo = 1): haina kutsanangurwa

4. Kunyungudika (℃): 222~223

5. Kupisa kwakajairika kwekupisa kwekristalline phase (enthalpy) (kJ·mol-1): -4924.1

6. The crystal phase standard inoti kupisa (enthalpy) (kJ·mol-1): -547.8

7. Refractive index: haina kurongeka

8. Chinopenya (℃): >150

9. Kutenderera kwakananga (o): kusatemerwa

10. Ignition point kana tembiricha yekudzima (℃): haina kutsanangurwa

11. Kutsikirira kwemhepo (kPa, 25 ℃): haina kutsanangurwa

12. Saturated vapor pressure (kPa, 60 ℃): haina kurongeka

13. Kupisa kwekupisa (KJ / mol): kusagadziriswa

14. Tembiricha yakakosha (℃): haina kutsanangurwa

15. Kudzvinyirira kwakaoma (KPa): kusagadziriswa

16. Logarithmic kukosha kwemafuta-mvura (octanol/mvura) partition coefficient: haina kutsanangurwa

17. Muganho wekuputika kwepamusoro (%, V / V): haina kutsanangurwa

18. Muganho wekuputika kwepasi (%, V / V): hauna kutsanangurwa

19. Solubility: inonyungudika nyore mu ethanol uye ether, soluble mu benzene, chloroform uye alkali solutions, inonyungudika zvishoma mumvura inopisa, inenge isinganyunguriki mumvura inotonhora.

Toxicological data
Acute toxicity:

Oral LD50: 783mg/kg (guinea pig)

800 mg/kg (mus)

832 mg/kg(gonzo)

Main irritant madhara:

Paganda: Kushungurudza ganda uye mucous membranes.

Pamusoro pemeso: mhedzisiro yekushatirwa.

Sensitization: Hapana inozivikanwa sensitization mhedzisiro.

Ecological data
Chinyorwa chegumbeze

Njodzi yemvura level 1 (German Regulation) (kuzviongorora wega kuburikidza nerondedzero) Ichi chinhu chine njodzi kumvura.

Usabvumire undiluted kana yakakura yakawanda yechigadzirwa kuti isangane nemvura yepasi, makosi emvura kana masisitimu etsvina.

Usaburitse zvinhu munzvimbo yakapoteredza pasina mvumo yehurumende.

Chimiro uye kugadzikana
Zvine muchetura zvine mwero, zvinogumbura ganda uye mucous membranes. Rat subcutaneous jekiseni LD50: 376mg/kg. Midziyo yekuita inofanirwa kunge isina mhepo, uye iyo carboxylation reactor inofanirwa kusangana nekumanikidza zviyero. Vashandi vanofanirwa kupfeka masiki ekudzivirira uye zvimwe zvekudzivirira, uye kuchengetedza mhepo yakanaka muwekishopu.

Kuchengeta nzira
Ichi chigadzirwa chinofanira kuvharwa uye kuchengetwa kure nechiedza.

Shandisa
Dhayi pakati. Inoshandiswa kugadzira Naphthol AS nemamwe marudzi eNaphthol, akadai seNaphthol AS-BO, AS-RL, AS-E, AS-D, AS-VL, AS-BS, AS-OL, nezvimwewo. Inogonawo kushandiswa gadzira Light Fast Brilliant Red BBC, Light Fast Red BBN, Rubber Red LG, Pigment Brilliant Red 6B, Lithol Red BK. Inoshandiswawo semishonga intermediates.esolve resolution
Mushure me β-naphthol uye sodium hydroxide kuita munyu, kupisa uye decompression inopera, uye inowanikwa anhydrous β-naphthol munyu inoiswa carboxylated necarbon dioxide kugadzira 2,3 acid disodium munyu, iyo inozoiswa acidified ne sulfuric acid kuti iwane kupera. chigadzirwa.