4,4′-dihydroxy-3,3′,5,5′-tetramethyl-biphenyl CAS 2417-04-1

2417-04-1 – Names and Identifiers

Name	4,4′-dihydroxy-3,3′,5,5′-tetramethyl-biphenyl
Synonyms	TMDHB GS3000,TMDE 4,4′-Bi(2,6-dimethylphenol) 2,2′,6,6′-Tetramethylbiphenol 2,2′,6,6′-tetramethyl-4,4′-biphenol 2,2′,6,6′-Tetramethyl-4,4′-biphenol 3,3,5,5-Tetramethylbiphenyl-4,4-diol 3,3′,5,5′-Tetramethyl-4,4′-biphenyldiol 3,3′,5,5′-tetramethyl-4,4′-dihydroxybiphenyl 4,4′-dihydroxy-3,3′,5,5′-tetramethyl-biphenyl 1′-biphenyl]-4,4′-diol,3,3′,5,5′-tetramethyl-[ 3,3′,5,5′-TETRAMETHYL [1,1′-BIPHENYL] 4,4′-DIOL 4-(4-Hydroxy-3,5-dimethyl-phenyl)-2,6-dimethyl-phenol
CAS	2417-04-1
InChI	InChI=1/C16H18O2/c/h5-8,17-18H,1-4H3

2417-04-1 – Physico-chemical Properties

Molecular Formula	C16H18O2
Molar Mass	242.31
Density	1.0537 (rough estimate)
Melting Point	222-225°C(lit.)
Boling Point	345.14°C (rough estimate)
Flash Point	162.4°C
Solubility	DMSO (Slightly), Methanol (Slightly)
Vapor Presure	1.62E-05mmHg at 25°C
Appearance	Solid
Color	Pale Beige to Light Beige
pKa	10.22±0.40(Predicted)
Storage Condition	Sealed in dry,Room Temperature
Refractive Index	1.6000 (estimate)
Physical and Chemical Properties	Appearance off-white powder melting point 223.0-230.0 ℃ content ≥ 98.5%(LC) volatile ≤ 0.3% ash ≤ 0.5%
Use	Synthesis of phenol-oxygen resin. Phenolic resin is mainly involved in blending, used as a modifier of plastics, adhesives, coatings and other resins, in the electronic computer parts, electrical instrument parts and food or drug hard packaging and other aspects of a wide range of applications. With 3, 3 ‘, 5, 5’-tetramethyl-4, 4 ‘-biphenol as monomer, The phenoxy resin containing biphenyl structure was prepared, the glass transition temperature of the polymer can be effectively increased. Synthesis of 3,3 ‘,5,5’-tetramethylbiphenol diglycidyl ether.

2417-04-1 – Risk and Safety

Risk Codes	R36/37/38 – Irritating to eyes, respiratory system and skin. R40 – Limited evidence of a carcinogenic effect
Safety Description	S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 – Wear suitable protective clothing. S22 – Do not breathe dust.

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