- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: thorin
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: thorin
- Price: ￥308.0/1g
- Purity: 90.0%
- Stocking Period: 3 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 2,7-Naphthalenedisulfonicacid, 4-[2-(2-arsonophenyl)diazenyl]-3-hydroxy-, sodium salt (1:2)
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
3688-92-4
3688-92-4 structure
- Name: thorin
- Chemical Name: disodium,(4E)-4-[(2-arsonophenyl)hydrazinylidene]-3-oxonaphthalene-2,7-disulfonate
- CAS Number: 3688-92-4
- Molecular Formula: C16H11AsN2Na2O10S2
- Molecular Weight: 576.29700
- Catalog: Chemical reagent Organic reagent Azo, diazonium compound
- Create Date: 2018-05-29 08:00:00
- Modify Date: 2025-08-25 09:49:06
| Name | disodium,(4E)-4-[(2-arsonophenyl)hydrazinylidene]-3-oxonaphthalene-2,7-disulfonate |
|---|---|
| Synonyms |
Thorin I,indicator grade
2-(2-Hydroxy-3,6-disulfo-1-naphthylazo)benzenearsonic Acid Disodium Salt Hydrate Thorin thoron MFCD00003888 Disodium 1-(2-Arsonophenylazo)-2-naphthol-3,6-disulfonate Hydrate Aspan Hydrate Thoron Hydrate EINECS 205-058-2 APANS Thorin Hydrate ,etc.] 1-(2-Arsonophenylazo)-2-naphthol-3,6-disulfonic Acid Disodium Salt Hydrate |
| Melting Point | >300°C |
|---|---|
| Molecular Formula | C16H11AsN2Na2O10S2 |
| Molecular Weight | 576.29700 |
| Exact Mass | 575.88700 |
| PSA | 233.64000 |
| LogP | 2.49160 |
| Symbol |
GHS06, GHS09 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H301-H331-H410 |
| Precautionary Statements | P261-P273-P301 + P310-P311-P501 |
| Personal Protective Equipment | Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges |
| Hazard Codes | T:Toxic;N:Dangerousfortheenvironment; |
| Risk Phrases | R23/25;R50/53 |
| Safety Phrases | S20/21-S28-S45-S60-S61 |
| RIDADR | UN 3465 6.1/PG 3 |
| WGK Germany | 3 |
| Packaging Group | II |
| Hazard Class | 6.1(a) |