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Merck
CN

33493

2,6-TDI

analytical standard

Synonym(s):

Tolylene-2,6-diisocyanate, 2-Methyl-m-phenylene diisocyanate

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About This Item

Linear Formula:
CH3C6H3(NCO)2
CAS Number:
91-08-7
Molecular Weight:
174.16
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329754562
EC Number:
202-039-0
Beilstein/REAXYS Number:
2211546
MDL number:
MFCD00002010

Key Documents

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InChI

1S/C9H6N2O2/c1-7-8(10-5-12)3-2-4-9(7)11-6-13/h2-4H,1H3

InChI key

RUELTTOHQODFPA-UHFFFAOYSA-N

SMILES string

Cc1c(cccc1N=C=O)N=C=O

grade

analytical standard

autoignition temp.

>1148 °F

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

Quality Level

100

bp

129-133 °C/18 mmHg (lit.)

density

1.225 g/mL at 25 °C (lit.)

application(s)

cleaning products
cosmetics
environmental
food and beverages
personal care

format

neat

storage temp.

2-8°C

Related Categories

General description

This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food.

Find all available reference materials for compounds listed in 10/2011 here

Application

2,6-TDI may be used as a reference standard for the quantification of residual 2,6-TDI in foam samples using high performance liquid chromatography coupled to coordination-ionspray tandem mass spectrometry (HPLC-CIS-MS/MS).
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

pictograms

Skull and crossbonesHealth hazard
GHS06,GHS08

signalword

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Aquatic Chronic 3 - Carc. 2 - Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

target_organs

Respiratory system

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 2

flash_point_f

230.0 °F - closed cup

flash_point_c

110 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
BCCP2811
BCCN8852
BCCM3997
BCCK6764
BCCJ0680

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B W Day et al.
Chemical research in toxicology, 10(4), 424-431 (1997-04-01)
During our ongoing studies of the reactions of toluene diisocyanate (2,4- and 2,6-diisocyanatotoluene, TDI) in vivo, it became apparent that reactive form(s) of these diisocyanates reach(es) the circulatory system after passage through the respiratory system. Based on recent work by
A Maître et al.
International archives of occupational and environmental health, 65(2), 97-100 (1993-01-01)
The study validated the use of urinary toluene diamine (TDA) in postshift samples as an indicator of preceding 8-h exposure to toluene diisocyanate (TDI). Nine workers exposed in TDI-based polyurethane foam production were studied. Their exposure levels varied in 8-h
F M Benoit
Journal of biomedical materials research, 27(10), 1341-1348 (1993-10-01)
The release of toluene diisocyanate derivatives from polyurethane foam covers that were removed from the Même breast implant was studied. The polyurethane foam covers as retrieved from the implants were contaminated on average with 2,4- and 2,6-toluene diamine (TDA), 2,4-
Hui-Jung Yeh et al.
Journal of applied toxicology : JAT, 28(2), 189-195 (2007-06-22)
Toluene diisocyanates (TDI) are commonly used in polyurethane (PU)-related products. TDIs have been documented as the leading cause of occupational asthma. Skin exposure to TDI in the workplace is common. However, no studies in the literature have investigated the exact
Justin M Hettick et al.
Analytical biochemistry, 414(2), 232-238 (2011-04-05)
Diisocyanates are highly reactive chemical compounds widely used in the manufacture of polyurethanes. Although diisocyanates have been identified as causative agents of allergic respiratory diseases, the specific mechanism by which these diseases occur is largely unknown. To better understand the
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