
Biological Stains and Dyes
CARMINIC ACID For Microscopy
C.I.No.75470 Used as a red colouring agent. Natural Red 4
- Article code
- 02550
- CAS
- 1260-17-9
- Grade
- For Microscopy
- Purity
- 98%
- Category
- Biological Stains and Dyes
Specification and availability are confirmed by Chemical Suppliers when you inquire. Product details are attached to your request automatically.
Properties
- Article No.
- 02550
- Grade
- For Microscopy
- Purity
- 98%
- CAS No.
- 1260-17-9
- Molecular Formula
- C22H20O13
- Molecular Weight
- 492.40
- H.S. Code
- 3203.0090
- Shelf Life
- 60 Months
Product information
| Article No. | 02550 | Grade | For Microscopy |
| Purity | 98% | CAS No. | 1260-17-9 |
| Molecular Formula | C22H20O13 | Molecular Weight | 492.40 |
| H.S. Code | 3203.0090 | Shelf Life | 60 Months |
Physical Properties
| Physical state at 20 °C | Solid | Colour | Red |
| Odour | Odorless | pH value | 4.8 - 6.2 |
| Solubility in water [% weight] | Appreciable (> 10%) |
Specifications
| Appearance | Dark brownish red powder | Assay (acidimetric; on dried basis) | Min 98% |
| Loss on drying (at 105°C) | Max 7.0% | Suitability (for microscopy) | Passes test |
| Absorption maxima at pH 3.0 | 490 - 495 nm | Specific absorptivity 1%/1cm (at λmax) | Min 130 |
Packaging options
- 1 g (00001)
- 5 g (00005)
Details
CARMINIC ACID For Microscopy C.I.No.75470 Used as a red colouring agent. Natural Red 4 MSDS DE EN FR KO PT ES TH TR COAs Packings 1 g (00001) 5 g (00005) Print friendly version Article No. 02550 Grade For Microscopy Purity 98% CAS No. 1260-17-9 Molecular Formula C 2 2 H 2 0 O 1 3 Molecular Weight 492.40 H.S. Code 3203.0090 Shelf Life 60 Months Physical Properties Physical state at 20 °C Solid Colour Red Odour Odorless pH value 4.8 - 6.2 Solubility in water [% weight] Appreciable (> 10%) Specifications Appearance Dark brownish red powder Assay (acidimetric; on dried basis) Min 98% Loss on drying (at 105°C) Max 7.0% Suitability (for microscopy) Passes test Absorption maxima at pH 3.0 490 - 495 nm Specific absorptivity 1%/1cm (at λmax) Min 130 Safety Information and Hazard Symbols Safety Statement: 22-24/25 Revision Date: 17-Apr-2014 Home Lab Chemicals Biological Stains and Dyes CARMINIC ACID