ODB-2 (CAS 89331-94-2) is the color former for thermal paper

The ODB-2 (CAS 89331-94-2) is in very tight situation. It is very popular all over the world. ODB-2 is the key color former for thermal and carbonless paper coatings. It is suitable for almost all thermal paper grades. What’s more, ODB-2 (CAS 89331-94-2) has good dynamic sensitivity and excellent background stability. It is compatible with commonly used capsule technologies and soluble in most commonly used capsule oils.

Synonyms of ODB-2 (CAS 89331-94-2):

• 2′-Anilino-3′-methyl-6′-(dibutylamino)fluoran
• 2-Anilino-3-methyl-6-(dibutylamino)fluoran
• 2-Anilino-3-methyl-6-(di-n-butylamino)fluoran
• 2-ANILINO-6-(DIBUTYLAMINO)-3-METHYL-FLUORAN
• 2′-Anilino-6′-(dibutylamino)-3′-methylspiro[phthalide-3,9′-xanthene]
• 2-Anilino-6-dibutylamino-3-methylfluoran
• 2-Anilino-6-di-n-butylamino-3-methylfluoran
• 3′-(Dibutylamino)-6′-methyl-7′-anilinofluoran
• 3-Dibutylamino-6-methyl-7-anilinofluoran
• 3-Dibutylamino-6-methyl-7-phenylaminofluoran
• 3-Di-n-butylamino-6-methyl-7-anilinofluoran
• 6′-(dibutylamino)-3′-methyl-2′-(phenylamino)spiro[isobenzofuran-1(3H),9-(9H)-xanthen]-3-one
• 7′-Anilino-3′-(dibutylamino)-6′-methylfluoran
• 7-Anilino-3-(dibutylamino)-6-methylfluoran
• B 290
• BK 400
• Black 400
• CK 34
• Copikem 34
• Copikem 34 Black
• Dibutyl N-102
• DX-20
• Fat NR. 403911A
• Fluoran Black BD 869
• Fluoran Schwarz BD 869
• H 272
• H 638
• Noir fluoran BD 869
• ODB 2
• ODB-2
• PSD-290
• SPIRO[ISOBENZOFURAN-1(3H),9′-[9H]XANTHEN-3-ONE,6′-(DIBUTYLAMINO)-3′-METHYL-2′-(PHENYLAMINO)-
• Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 6′-(dibutylamino)-3′-methyl-2′-(phenylamino)-
• Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 6′-(dibutylamino)-3′-methyl-2′-(phenylamino)-
• Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 6′-(dibutylamino)-3′-methyl-2′-(phenylamino)-
• TG-31
• TH-108

Introduction of ODB-2 (CAS 89331-94-2)

The ODB-2 (2-Anilino-6-dibutylamino-3-methylfluoran), with the CAS NO. 89331-94-2, is also known as 6′-(Dibutylamino)-3′-methyl-2′-(phenylamino)-spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one. Its product categories are industrial, fine chemicals or API intermediates. Its EINECS number is 403-830-5. The ODB-2’s molecular formula is C35H36N2O3 and its molecular weight is 532.68 g/mol. In addition, its systematic name is 2′-Anilino-6′-(dibutylamino)-3′-methyl-3H-spiro[2-benzofuran-1,9′-xanthen]-3-one. The ODB-2 is used in the paper industry.

Physical properties of ODB-2 (CAS 89331-94-2)

1. ACD/LogP: 8.796;
2. # of Rule of 5 Violations: 2;
3. ACD/LogD (pH 5.5): 8.74;
4. ACD/LogD (pH 7.4): 8.80;
5. ACD/BCF (pH 5.5): 1000000.00;
6. ACD/BCF (pH 7.4): 1000000.00;
7. ACD/KOC (pH 5.5): 1281889.00;
8. ACD/KOC (pH 7.4): 1450517.00;
9. #H bond acceptors: 5;
10. #H bond donors: 1;
11. #Freely Rotating Bonds: 9;
12. Polar Surface Area: 50.8 Å2;
13. Index of Refraction: 1.661;
14. Molar Refractivity: 158.84 cm3;
15. Molar Volume: 429.673 cm3;
16. Polarizability: 62.969×10-24cm3;
17. Surface Tension: 59.41 dyne/cm;
18. Density: 1.24 g/cm3;
19. Flash Point: 379.845 °C;
20. Enthalpy of Vaporization: 103.078 kJ/mol;
21. Boiling Point: 704.461 °C at 760 mmHg;
22. Vapour Pressure: 0 mmHg at 25°C.

Matters needing attention

When you are using the ODB-2 (CAS 89331-94-2), please be cautious about it as the following:

• It is harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. You should avoid releasing it to the environment, and you need to refer to special instructions/safety data sheet.
• Thermal decomposition can lead to release of irritating or toxic gases/vapors: carbon oxides, nitrogen oxides. Fire fighters should wear a self contained breathing apparatus and full protective clothing along with protective equipment.
• Do not get in eyes, on skin, or on clothing. Avoid creation of dust. Use this material with adequate ventilation. Use personal protective equipment as required. Keep away from heat, sparks, open flame, and hot surfaces
• No smoking. Do not eat, drink or smoke when using this product.
• Keep container tightly closed and in a cool, well-ventilated place. Keep away from heat and ignition sources.