# 黑色 (CAS 70516-41-5)

**CAS:** 70516-41-5  
**PubChem CID:** [112209](https://pubchem.ncbi.nlm.nih.gov/compound/112209)  
**Molecular formula:** C34H34N2O3  
**Molar mass:** 518.6 g/mol  
**IUPAC:** 2'-anilino-6'-[ethyl(3-methylbutyl)amino]-3'-methylspiro[2-benzofuran-3,9'-xanthene]-1-one  
**SMILES:** `CCN(CCC(C)C)C1=CC2=C(C=C1)C3(C4=CC=CC=C4C(=O)O3)C5=C(O2)C=C(C(=C5)NC6=CC=CC=C6)C`  
**InChIKey:** `HUSIBQLZEMMTCQ-UHFFFAOYSA-N`  
**InChI:** `InChI=1S/C34H34N2O3/c1-5-36(18-17-22(2)3)25-15-16-28-32(20-25)38-31-19-23(4)30(35-24-11-7-6-8-12-24)21-29(31)34(28)27-14-10-9-13-26(27)33(37)39-34/h6-16,19-22,35H,5,17-18H2,1-4H3`  

## Physicochemical properties

| Parameter | Value |
|---|---|
| logP (XLogP3) | 8.2 |
| PSA | 50.8 Ų |
| Hydrogen bond donors | 1 |
| Hydrogen bond acceptors | 5 |
| Rotatable bonds | 7 |
| Heavy atoms | 39 |

## 3D structure

The molecule contains 73 atoms connected by 78 chemical bonds. Interactive 3D model available at: https://molgod.org/molekula/70516-41-5/

## Synonyms

- 70516-41-5
- 2'-anilino-6'-[ethyl(3-methylbutyl)amino]-3'-methylspiro[isobenzofuran-1(3H),9'-[9H]xanthene]-3-one
- 6'-(N-Isoamyl-N-ethylamino)-3'-methyl-2'-phenylaminofluoran
- EINECS 274-641-1
- Z9ZL7M98QS
- S-205
- 2-Anilino-3-methyl-6-(N-ethyl-N-isoamylamino)fluoran
- EC 274-641-1
- 3-(Ethylisoamylamino)-6-methyl-7-anilinofluoran
- 2'-Anilino-6'-(ethyl(3-methylbutyl)amino)-3'-methylspiro(isobenzofuran-1(3H),9'-(9H)xanthene)-3-one

## Available in the shop

[黑色 (CAS 70516-41-5) — Shenyang Photosensitive Research Institute](https://molgod.org/sds-cards/%e9%bb%91%e8%89%b2-cas-70516-41-5-shenyang-photosensitive-research-institute/)

## Data sources

- [PubChem CID 112209](https://pubchem.ncbi.nlm.nih.gov/compound/112209)
- [NIST WebBook](https://webbook.nist.gov/cgi/cbook.cgi?ID=70516-41-5)
- [ChEMBL](https://www.ebi.ac.uk/chembl/g/#search_results/all/query=70516-41-5)

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*Last updated: 2026-09-03 · Generator: MOL-GOD v3.12.33*