Overview
Curcumin (CAS 458-37-7 ), also known by its food additive designation E100 , is the primary bioactive pigment extracted from turmeric root. It functions commercially as a natural yellow-to-orange colorant.
This versatile compound serves as an antioxidant and flavoring agent across food, pharmaceutical, and cosmetic manufacturing. In food and beverage production, it is used to color products such as mustards and dairy items.
Confectionery and ready meals often utilize this ingredient to achieve vibrant hues without synthetic dyes. Pharmaceutical and nutraceutical manufacturers incorporate it into capsules, tablets, and functional supplements.
These applications typically target antioxidant-positioned product lines. In personal care, it is formulated into skin creams, serums, and suncare products where its UV-stabilizing properties support product shelf life.
The ingredient also appears in natural food flavoring applications, contributing a mild, earthy warmth to spice blends. It is supplied as a fine orange-yellow powder, with standardized extracts typically offered at 95% content.
This concentration serves as the benchmark specification for most industrial buyers. Food-grade and USP -grade designations are commonly available for various manufacturing requirements.
Food-grade material conforms to E100 specifications under EU and Codex Alimentarius standards. Oleoresin and water-dispersible forms are also commercially available for liquid formulation and beverage applications.
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Physical Properties
| Melting Point | 183 °C |
| Boiling Point | 418.73°C (rough estimate) |
| Density | 1.355 g/cm³ (crystalline) |
| Flash Point | 208.9±23.6 °C |
| Appearance | orange crystalline powder |
| Color | orange |
| Odor | Odorless |
| Form | powder |
| Water Solubility | Slightly soluble (hot) |
| Refractive Index | 1.4155-1.4175 |
| Log P | 3.290 (est) |
Safety & Handling
Warning GHS07 Hazard Statements H315 Causes skin irritation H319 Causes serious eye irritation H335 May cause respiratory irritation Precautionary Statements P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash … thoroughly after handling. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P319 Get medical advice/attention if you feel unwell. P321 Specific treatment (see … on this label). P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P302+P352 IF ON SKIN: Wash with plenty of water. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P332+P317 Get emergency medical help. P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Trade & Regulatory
| HS Code | 29145000 |
| Storage Class | 11 - Combustible Solids |
| WGK (Germany) | 3 |
Other Names
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Chemical Properties
- CAS Number
- 458-37-7
- EC Number
- 207-280-5
- Mol. Weight
- 368.4
- HS Code
- 29145000
- Category
- Vitamins & Nutrients