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(R)-(-)-1-(1-Naphthyl)ethyl isocyanate

CAS No.
42340-98-7
Chemical Name:
(R)-(-)-1-(1-Naphthyl)ethyl isocyanate
Synonyms
(R)-1-(1-isocyanatoethyl)naphthalene;(R)-NEI;(R) 1-(1-NAPTHYL)ETHYLISOCYANATE;[(1R)-1-(1-Naphtyl)ethyl] isocyanate;1-[(R)-1-Isocyanatoethyl]naphthalene;[R,(-)]-1-(1-Naphtyl)ethyl isocyanate;(-)-ALPHA-(1-NAPHTHYL)ETHYLISOCYANATE;1-[(1R)-1-isocyanatoethyl]naphthalene;Naphthalene, 1-(1R)-1-isocyanatoethyl-;(R)-(-)-1-(1-Naphthyl)ethyl isocyanate
CBNumber:
CB9162857
Molecular Formula:
C13H11NO
Molecular Weight:
197.23
MDL Number:
MFCD00004015
MOL File:
42340-98-7.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-09-12 18:56:09

(R)-(-)-1-(1-Naphthyl)ethyl isocyanate Properties

Boiling point 106-108 °C0.16 mm Hg(lit.)
Density 1.118 g/mL at 25 °C(lit.)
refractive index n20/D 1.604(lit.)
Flash point 200 °F
storage temp. 2-8°C
form clear liquid
color Colorless to Light yellow to Light orange
optical activity [α]20/D 47±2°, c = 3.5% in toluene
Sensitive Moisture Sensitive
BRN 4181805
InChI 1S/C13H11NO/c1-10(14-9-15)12-8-4-6-11-5-2-3-7-13(11)12/h2-8,10H,1H3/t10-/m1/s1
InChIKey GONOHGQPZFXJOJ-SNVBAGLBSA-N
SMILES C[C@@H](N=C=O)c1cccc2ccccc12
CAS DataBase Reference 42340-98-7(CAS DataBase Reference)
UNSPSC Code 12352005
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Skull and Crossbones (GHS06)Health Hazard (GHS08)
GHS06,GHS08
Signal word  Danger
Hazard statements  H301-H315-H317-H319-H334-H335
Precautionary statements  P261-P264-P280-P301+P310-P302+P352-P305+P351+P338
target organs Respiratory system
PPE Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Hazard Codes  Xn
Risk Statements  36/37/38-42/43
Safety Statements  23-26-36/37
RIDADR  UN 2206 6.1/PG 3
WGK Germany  3
10-21
HS Code  2929.10.8090
HazardClass  6.1
PackingGroup  III
Storage Class 6.1C - Combustible acute toxic Cat.3
toxic compounds or compounds which causing chronic effects
Hazard Classifications Acute Tox. 3 Oral
Eye Irrit. 2
Resp. Sens. 1
Skin Irrit. 2
Skin Sens. 1
STOT SE 3
NFPA 704
2
3 0

(R)-(-)-1-(1-Naphthyl)ethyl isocyanate price More Price(19)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 220442 (R)-(?)-1-(1-Naphthyl)ethyl isocyanate 98% 42340-98-7 1g $130 2026-04-30 Buy
TCI Chemical I0336 (R)-(-)-1-(1-Naphthyl)ethyl Isocyanate >90.0%(GC) 42340-98-7 1g $100 2026-04-30 Buy
TCI Chemical I0336 (R)-(-)-1-(1-Naphthyl)ethyl Isocyanate >90.0%(GC) 42340-98-7 5g $327 2026-04-30 Buy
Usbiological 285905 (R)-(-)-1-(1-Naphthyl)ethyl Isocyanate Asreported 42340-98-7 500mg $342 2026-06-03 Buy
Usbiological 285905 (R)-(-)-1-(1-Naphthyl)ethyl Isocyanate Asreported 42340-98-7 1g $480 2026-06-03 Buy
Product number Packaging Price Buy
220442 1g $130 Buy
I0336 1g $100 Buy
I0336 5g $327 Buy
285905 500mg $342 Buy
285905 1g $480 Buy

(R)-(-)-1-(1-Naphthyl)ethyl isocyanate Preparation Products And Raw materials

Raw materials

Preparation Products

Global Suppliers ( 75)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Capot Chemical Co., Ltd +86 (0) 571 85 58 67 18 China 18187 66
Shanghai Longsheng chemical Co.,Ltd. 58099637 13585536065 sales@shlschem.com China 9880 59
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
Syntechem Co.,Ltd info@syntechem.com China 12973 57
Beijing HuaMeiHuLiBiological Chemical 010-56205725 waley188@sohu.com China 12323 58

View Latest Price from (R)-(-)-1-(1-Naphthyl)ethyl isocyanate manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
(r)-(-)-1-(1-naphthyl)ethyl isocyanate pictures 2019-07-06 (r)-(-)-1-(1-naphthyl)ethyl isocyanate
42340-98-7
$1.00 1kg 98% 200kg Career Henan Chemical Co

(R)-(-)-1-(1-Naphthyl)ethyl isocyanate Spectrum

(R) 1-(1-NAPTHYL)ETHYLISOCYANATE (R)(-)-ALPHA-(1-NAPHTHYL)ETHYL ISOCYANATE (R)-NEI (-)-ALPHA-(1-NAPHTHYL)ETHYLISOCYANATE ISOCYANIC ACID (R)-(-)-1-(1-NAPHTHYL)ETHYL ESTER 93+% Naphthalene, 1-(1R)-1-isocyanatoethyl- ISOCYANIC ACID (R)-(-)-1-(1-NAPHTHYL)ETHYL ESTER R(-)-1-(1-naphthyl)ethyl isocyanate stab. [(1R)-1-(1-Naphtyl)ethyl] isocyanate [R,(-)]-1-(1-Naphtyl)ethyl isocyanate 1-[(R)-1-Isocyanatoethyl]naphthalene 1-[(1R)-1-isocyanatoethyl]naphthalene (R)-(-)-1-(1-NAPHTHYL)ETHYL ISOCYANATE F (R)-(-)-1-(1-Naphthyl)ethyl Isocyanate (R)-(-)-1-(1-Naphthyl)ethylIsocyanate> (R)-1-(1-isocyanatoethyl)naphthalene (R)-(-)-1-(1-Naphthyl)ethyl isocyanate 42340-98-7 Derivatization Reagents Chiral Resolution Reagents Chiral Resolving Reagents Analytical Chromatography Product Catalog Optical Resolution e.e. / Absolute Conefiguration Determination (NMR) e.e. Determination (HPLC Labeling Reagents) for Resolution of Bases for Resolution of Alcohols & Thiols Enantiomer Excess & Absolute Conefiguration Determination Chiral Building Blocks Isocyanates (Chiral) Chiral Derivatization Asymmetric Synthesis chiral Analytical Chemistry Chiral Building Blocks e.e. / Absolute Configuration Determination (NMR) e.e. Determination (HPLC Labeling Reagents) Enantiomer Excess & Absolute Configuration Determination for Resolution of Alcohols & Thiols for Resolution of Bases Isocyanates (Chiral) Optical Resolution Synthetic Organic Chemistry