SOCONY-VACUUM LABORATORIES ANNOUNCE NEW MEMBERS OF THE
C-CH
HC-CH
HC-C-C
C C-C-CH3
HC
HC C H
II II
11 II
V s
II 0
2-Acetylthiophene
II II
C-CH3
\ /
V s
*
S 2-Methylthiophene
THIOPEDENE, available on a semi-commercial scale, is joined b y three versatile and reactive members o f t h e family: 2Acetylthiophene, 2-Methylthiophene
3
3-Methylthiophene
and 3-Methylthiophene. These new thiophene chemicals, whose commercial possibilities await exploration, may be obtained i n research quantities.
Properties of Current Pilot Plant Production I
^ _
Freezing Point, ° C Boiling Point (Cottrell), °C. @, 760 mm. ASTM Distillation Range, IBP to 9 9 % (Method D86-40), °C. @ 760 mm.
THIOPHENE
2-ACETYLTHIOPHENE
— 4 0 to —39 83.9 to 84.4
9 to 10 213to214
2-METHYLTHIOPHENE
3-METHYLTHIOPHENE
—66 to —63 —70 to —68 112to 113 115toll6
83 to 85
—
l l O t o 115
114to118
1 20 1 Index of Refraction, η .
1.5287 to 1.5292
1.5060 to 1.5668
1.5202 to 1.5209
1.5203 to 1.5209
20 Specific Gravity, d A
1.064
1.171
1.019
1.022
95
98
Minimum Purity, Mol %
99
For samples or additional information write to Socony-Vacuum Laboratories, 26 Broadway, New York 4, Ν. Υ. on your letterhead.
98
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2 4, N O . 1 5 » . A U G U S T
10,
1946
y
SOCONY-VACUUM
2095
