1. Bitolylene diisocyanate (91-97-4) detailed information

Bitolylene diisocyanate (91-97-4), with other synonyms of TODI, 3,3'-Dimethyl-4,4'-biphenylene diisocyanate, is one kind of white crystal. Physical properties about 3,3'-Dimethyl-4,4'-biphenylene diisocyanate are as below: (1)#Freely Rotating Bonds: 3; (2)Polar Surface Area: 58.86; (3)Index of Refraction: 1.583; (4)Molar Refractivity: 78.627 cm3; (5)Molar Volume: 235.419 cm3; (6)Polarizability: 31.17×10-24 cm3; (7)Surface Tension: 41.73 dyne/cm; (8)Density: 1.123 g/cm3; (9)Flash Point: 158.83 °C; (10)Surface Tension: 41.73; (11)Boiling Point: 384.755 °C at 760 mmHg; (12)Vapour Pressure: 0 mmHg at 25 °C.

2. Molecular structure Data of Bitolylene diisocyanate (91-97-4)

1). molar refraction: 78.62
2). molar volume (m3/mol): 235.4
3). parachor (90.2K): 598.3
4). surface tension (dyne/cm): 41.7
5). polarizability (10-24cm3): 31.17

3. Bitolylene diisocyanate (TODI) manufacturers

As Bitolylene diisocyanate (91-97-4) has big market in China, there are many leading Bitolylene diisocyanate suppliers in our domestic market.
1). Hangzhou Chemfar Ltd. provide high-quality Bitolylene diisocyanate 99.0%min. This company has more than 20 years' experiences in providing integrated development and manufacturing service to the pharmaceutical and fine chemical industry. And its Bitolylene diisocyanate products details: Package: 25kg drum; Storage: room temperature; Transportation: as non-dangerous cargo;
2). Henan Tianfu Chemical Co., Ltd. is also one big TODI manufacturers in domestic market. And its Bitolylene diisocyanate products details: Assay: 99.5%; Appearance: Powder; Package: Aluminium Foil Bag and Paper Drum; Storage: 1MT; Transportation: By Sea/Air/DHL.

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