Carbon Black (CAS 97793-37-8) — formula C72H26O7S, molecular weight 1035.0; category dyes and pigments.
Carbon Black (CAS 97793-37-8) is a chemical raw material in the dyes and pigments category. Its molecular formula C72H26O7S comprises 72 C, 26 H, 7 O, 1 S atoms. Its molecular weight is about 1035.0. Reported physicochemical data: melting point around ≈3550 °C, boiling point around 4200 °C, LogP about 14.9. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 97793-37-8 |
|---|---|
| Molecular Formula | C72H26O7S |
| Molecular Weight | 1035.0 |
| Melting Point | ≈3550 °C |
| Boiling Point | 4200 °C |
| LogP | 14.9 |
| Applications | Used mainly in rubber (90%) and as a pigment (9%), Carbon black is a manufactured material while soot is a waste product of combustion. Compared to soot, carbon black particles are more homogeneous and less biologically active. [AIHAJ 2001, 62(2):218-28], Painting (Pigments, Binders |
| Category | Colorants|Food Additives |
Documented applications: Used mainly in rubber (90%) and as a pigment (9%), Carbon black is a manufactured material while soot is a waste product of combustion. Compared to soot, carbon black particles are more homogeneous and less biologically active. [AIHAJ 2001, 62(2):218-28], Painting (Pigments, Binders.
Carbon Black is a colorant or pigment compound with CAS registry number 97793-37-8 and molecular formula C72H26O7S (molecular weight 1035.0), belonging to the dyes and pigments segment of chemical raw materials.
CAS number: 97793-37-8
Its molecular formula C72H26O7S comprises 72 C, 26 H, 7 O, 1 S atoms.
Also known as: Carbon Black · 炭黑 · ACTIVATED CARBON
Category: dyes and pigments / food additives
The CAS registry number of Carbon Black is 97793-37-8.
Molecular formula C72H26O7S, molecular weight 1035.0.
It is also registered under: Carbon Black, 炭黑, ACTIVATED CARBON.
Recorded applications: Used mainly in rubber (90%) and as a pigment (9%), Carbon black is a manufactured material while soot is a waste product of combustion. Compared to soot, carbon black particles are more homogeneous and less biologically active. [AIHAJ 2001, 62(2):218-28], Painting (Pigments, Binders.
Category: Colorants / Food Additives.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Carbon Black (CAS 97793-37-8), compiled from public chemistry databases.
| CAS Registry Number | 97793-37-8 |
|---|---|
| PubChem CID | 172866199 |
| Molecular formula | C72H26O7S |
| UNII (FDA) | 4XYU5U00C4 |
| Molecular Weight | 1035.0 |
|---|---|
| XLogP3 | 14.9 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 8 |
| Rotatable Bond Count | 1 |
| Exact Mass | 1034.13992434 |
| Monoisotopic Mass | 1034.13992434 |
| Topological Polar Surface Area | 132 |
| Heavy Atom Count | 80 |
| Boiling Point | 4200 °C |
|---|---|
| Boiling Point | 4200 °C @760 [mm Hg] |
| Melting Point | ≈3550 °C |
| Density | 1.8-2.1 |
| Density | 1.8-2.1 @25 °C |
| Vapor Pressure | 0 mmHg (approx) (NIOSH, 2024) |
| Vapor Pressure | Negligible at 20 °C |
| Vapor Pressure | 0 mmHg (approx) |
| Autoignition Temperature | >500 °C |
| Other Experimental Properties | Sublimates at 3652-97 °C |
CARBONEUM; 4XYU5U00C4; UNIPURE BLACK LC 902; UNIPURE BLACK LC 902 GRAN; Black, Carbon; Supercarbovar; Velvetex; United; Vulcan; Texas; Ukarb; Witco; Ucet; Wyex; Vegetable carbon; Torch Brand
| Regulatory & Food Contact | FDA Regulatory Status of Color Additives: Cosmetics FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS COLOUR: Food Additives NO ADI ALLOCATED TRS 759-JECFA 31/26 GAS BLACK |
|---|---|
| GHS notification summary | 70.9% (2922 / 4121) |
| GHS notification summary | 70.9% (2922 / 4121) |
|---|---|
| Reported hazard statements | H351 (27.3%), H372, H251, H373 |
This chemical does not meet GHS hazard criteria for 70.9% (2922 of 4121) of all reports.
H351 (27.3%): Suspected of causing cancer [Warning Carcinogenicity]
ACTIVATED CARBON · CAS 97793-37-8 · C72H26O7S. UNII 4XYU5U00C4. Boiling Point: 4200 °C; Boiling Point: 4200 °C @760 [mm Hg]; Melting Point: ≈3550 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
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