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Merck

8.18447

2,2′-Methylenebis(4-methyl-6-tert-butylphenol)

for synthesis

Synonym(s):

2,2′-Methylenebis(4-methyl-6-tert-butylphenol), 2,2′-Methylenebis-(6-tert-butyl-4-methyl-phenol), Bis(3-tert-butyl-2-hydroxy-5-methylphenyl)-methan

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About This Item

Linear Formula:
(2-(OH)-3-(CH3)3C-5-(CH3)C6H2)2CH2
CAS Number:
Molecular Weight:
340.50
UNSPSC Code:
12352104
EC Index Number:
204-327-1
NACRES:
NA.22
MDL number:
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vapor pressure

<1 hPa

Quality Level

assay

≥96.0% (GC)

form

crystals

autoignition temp.

350 °C

potency

4880 mg/kg LD50, oral (Rat), >2000 mg/kg LD50, skin (Rabbit)

pH

4-7 (20 °C in H2O, aqueous suspension)

mp

125-132 °C (Lit.)

transition temp

flash point 185 °C

solubility

practically insoluble 0.007 mg/L

density

1.07 g/cm3 at 20 °C

bulk density

300 kg/m3

storage temp.

2-30°C

SMILES string

Oc1c(cc(cc1Cc2c(c(cc(c2)C)C(C)(C)C)O)C)C(C)(C)C

InChI

1S/C23H32O2/c1-14-9-16(20(24)18(11-14)22(3,4)5)13-17-10-15(2)12-19(21(17)25)23(6,7)8/h9-12,24-25H,13H2,1-8H3

InChI key

KGRVJHAUYBGFFP-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 96.0 % (a/a)
Melting range (lower value): ≥ 125 °C
Melting range (upper value): ≤ 132 °C
Identity (IR): passes test


pictograms

Health hazard

signalword

Danger

hcodes

Hazard Classifications

Repr. 1B

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

flash_point_f

365.0 °F - Pensky-Martens closed cup

flash_point_c

185 °C - Pensky-Martens closed cup

wgk

WGK 2



Certificates of Analysis (COA)

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