4-Hydroxyphenylacetic acid CAS 156-38-7

CAS:156-38-7 : kuv

Molecular Formula:C8H8O3

Molecular Luj:152.15 Nws

EINECS:205-851-3 ib

Synonyms:RARECHEM AL BO 0188; P-HYDROPHENYLACETIC ACID; P-HYDROXYPHENYLACETIC ACID; PHPA; AKOS 236–100; 4-HYDROXYPHENYLACETIC ACID; 4-HYDROXYPHENYLACETIC ACID, rau FLUORESC ENCE

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Khoom cim npe

4-Hydroxyphenylacetic acid CAS 156-38-7 yog dab tsi?

4-Hydroxyphenylacetic acid yog dawb los yog daj crystalline hmoov. Melting point 149-151 ℃. Yuav sublimated. Soluble nyob rau hauv ether, ethanol, thiab ethyl acetate. 4-Hydroxyphenylacetic acid muaj qhov sib txheeb molecular hnyav ntawm 152.15. Melting point 149-151 ℃. Yuav sublimated.

Specification

Yam khoom	Specification
Boiling point	234.6°C (kev kwv yees)
Qhov ntom	1.2143 (kev kwv yees kwv yees)
Melting point	148-151 ° C (lit.)
Refractivity	1.4945 (kwv yees)
Cia tej yam kev mob	Inert cua
pKa	4.50 ± 0.10 (Kev kwv yees)

Daim ntawv thov

Organic synthesis ntawm 4-hydroxyphenylacetic acid. Organic synthesis intermediates yog siv rau kev tsim cov β - receptor blocker atenolol thiab cov khoom xyaw nquag ntawm Pueraria lobata daidzein -4,7-dihydroxyflavone; 4-Hydroxyphenylacetic acid kuj tseem siv tau los ua tshuaj tua kab nruab nrab. Acylation tshuaj reagent rau phenolic tebchaw thiab amine compounds.