- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: Palmitic acid
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: Chromotrope 2R
- Price: ￥488.0/25g ￥28.0/1g ￥138.0/5g
- Purity: 98.0%
- Stocking Period: 1 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: Chromotrope 2R
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
4197-07-3
4197-07-3 structure
- Name: Chromotrope 2R
- Chemical Name: acid red 29
- CAS Number: 4197-07-3
- Molecular Formula: C16H10N2Na2O8S2
- Molecular Weight: 468.369
- Catalog: Biochemical Biochemical reagent Biological dye
- Create Date: 2018-08-25 18:52:21
- Modify Date: 2025-08-20 17:18:48
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Chromotrope 2R can be used as a chromogenic analytical probe for the quantification of proteins. Basic proteins stained red and the peak wavelength red shifts from 501.6 nm to 567 nm[1].
| Name | acid red 29 |
|---|---|
| Synonyms |
Disodium 4,5-dihydroxy-3-(phenyldiazenyl)-2,7-naphthalenedisulfonate
CHROMOTROPE 2R 2-(Phenylazo)chromotropic acid disodium salt 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-(2-phenyldiazenyl)-, sodium salt (1:2) 4,5-Dihydroxy-3-phenylazo-2,7-naphthalenedisulfonic Acid Disodium Salt MFCD00003955 2-(Phenylazo)chromotropic acid disodium salt Acid Red 29 Acid Red 29 Disodium 4,5-dihydroxy-3-(phenyldiazenyl)naphthalene-2,7-disulfonate EINECS 224-085-0 |
| Description | Chromotrope 2R can be used as a chromogenic analytical probe for the quantification of proteins. Basic proteins stained red and the peak wavelength red shifts from 501.6 nm to 567 nm[1]. |
|---|---|
| Related Catalog | |
| References |
[1]. Wagner BM. Correspondence: Chromotrope 2R. Toxicol Pathol. 2003 Nov-Dec;31(6):717. |
| Molecular Formula | C16H10N2Na2O8S2 |
|---|---|
| Molecular Weight | 468.369 |
| Exact Mass | 467.967407 |
| PSA | 196.34000 |
| LogP | 4.63620 |
| Storage condition | Store at RT. |
CHEMICAL IDENTIFICATION
|
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H315-H319-H335 |
| Precautionary Statements | P261-P305 + P351 + P338 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
| Hazard Codes | Xi |
| Risk Phrases | R36/37/38 |
| Safety Phrases | S24/25 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| RTECS | QJ6418000 |
| HS Code | 32041200 |