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128511

Sigma-Aldrich

2,2,4,4,6,8,8-Heptamethylnonane

98%

Synonym(s):

HMN

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About This Item

Linear Formula:
(CH3)3CCH2CH(CH3)CH2C(CH3)2CH2C(CH3)3
CAS Number:
4390-04-9
Molecular Weight:
226.44
EC Number:
224-506-8
MDL number:
MFCD00008856
UNSPSC Code:
12352100
PubChem Substance ID:
24847862
NACRES:
NA.22

vapor density

7.9 (vs air)

vapor pressure

<1 mmHg ( 20 °C)

Assay

98%

form

liquid

refractive index

n20/D 1.439 (lit.)

bp

240 °C (lit.)

density

0.793 g/mL at 25 °C (lit.)

SMILES string

CC(CC(C)(C)C)CC(C)(C)CC(C)(C)C

InChI

1S/C16H34/c1-13(10-14(2,3)4)11-16(8,9)12-15(5,6)7/h13H,10-12H2,1-9H3

InChI key

VCLJODPNBNEBKW-UHFFFAOYSA-N

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Application

2,2,4,4,6,8,8-Heptamethylnonane was used to study the effects of loading and aging pyrene in soils. It was also used to study its long term effect on the cell surface hydrophobicity (CSH) of a hexane-degrading Pseudomonas aeruginosa strain and a toluene-degrading Pseudomonas putida strain.

Pictograms

Health hazard
GHS08

Signal Word

Danger

Hazard Statements

H304

Precautionary Statements

P301 + P310 - P331 - P405 - P501

Hazard Classifications

Asp. Tox. 1

Supplementary Hazards

EUH066

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

215.6 °F - closed cup

Flash Point(C)

102 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Somayeh Kazemzadeh et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 82(10), 2134-2147 (2020-12-03)
This study aimed to find biosurfactant producing and crude oil-degrading bacteria able to decontaminate crude oil from wastewater. The bacteria that were isolated from contaminated sites in an oil refinery plant in Isfahan, Iran, were identified by 16S rDNA sequencing
Srikanth Mutnuri et al.
Applied microbiology and biotechnology, 67(4), 569-576 (2005-02-25)
Polycyclic aromatic hydrocarbons (PAHs) are worldwide environmental pollutants. Their bioavailability is limited by a low aqueous solubility, which causes specific adaptations in degrading bacteria. To compare bacterial degrading behavior, a study was conducted on the mineralization, metabolization and formation of
T Ikeda et al.
Xenobiotica; the fate of foreign compounds in biological systems, 18(11), 1271-1280 (1988-11-01)
1. Exposure of rats to 1% (w/w) of 2,2,4,4,6,8,8-heptamethylnonane in the diet for 2 weeks resulted in marked induction of liver peroxisome proliferation as judged from electron micrography, elevated activities of hepatic catalase (36%), cyanide-insensitive palmitoyl-CoA oxidase (10-fold), carnitine acetyl
S Veraldi et al.
Journal of the European Academy of Dermatology and Venereology : JEADV, 22(3), 290-296 (2008-02-14)
MAS064D (Sebclair) is a novel steroid-free cream containing multiple active ingredients. Objective of this pilot study was to evaluate the efficacy and safety of MAS064D in the treatment of mild to moderate SD of the face. Patients (n = 60)
Kathlyn M Kirkwood et al.
Biodegradation, 19(6), 785-794 (2008-02-27)
Mixed bacterial cultures aerobically transformed decalin (decahydronaphthalene) dissolved in an immiscible carrier phase (heptamethylnonane; HMN) in liquid medium. Conversion was enhanced in the presence of decane, a readily degraded n-alkane, and/or HMN. Four Rhodococcus spp. isolates purified from one of
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