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Triethyl Citrate TEC Solvent
CAS# 77-93-0

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Sold as Triethyl Citrate (TEC), this is a nearly odorless solvent and fragrance carrier derived from citric acid and ethanol. Lightweight, clear, readily biodegradable, and phthalate-free, TEC suits fine fragrance, body mists, roll-ons, deodorant sprays, and leave-on cosmetics. Thanks to its extremely neutral olfactory profile, TEC won’t “color” the blend and helps preserve the formula’s true character.

In perfumes and scented products, TEC dissolves a wide span of materials (from aromatic rings to more polar molecules), supporting clear solutions, stability, and smooth diffusion. Its slow evaporation rate can improve longevity-useful for “tempering” volatile top notes or stabilizing citrus/aldehydic facets. A high flash point also enhances handling, storage, and transport safety at lab and production scales.

In personal care, TEC is widely used in deodorant systems by limiting the enzymatic activity of odor-forming bacteria-delivering a gentle “odor-control” effect rather than a harsh cover-up. With good skin compatibility and a dry, non-tacky after-feel, TEC is favored in leave-on formats such as roll-ons, fragranced lotions, and hair care with scent.

Typical technical profile: colorless liquid, virtually odorless; density ~1.14 (20 °C); refractive index ~1.440; high boiling point; sparingly soluble in water yet miscible with ethanol and perfume oils. CAS: 77-93-0; also known as Triethyl 2-hydroxypropane-1,2,3-tricarboxylate. Cosmetic-grade quality suitable as solvent/carrier and emollient in cosmetics, meeting common international compounding requirements.

General guidance: store tightly closed in a cool, dry place; avoid moisture and strong oxidizers. Always check compatibility with fragrance and packaging before scale-up. For commercial development, consult current safety/regulatory frameworks (e.g., IFRA/related) and verify odor/clarity stability under expected storage conditions. SCENT can supply TEC with full technical documentation and support quick bench trials across common solvent systems.

Technical standards

Physical appearance Transparent liquid Conform
Color Colorless Conform
Specific Gravity @20˚C 1.135 → 1.139 1.137
Refractive Index @20˚C 1.439 → 1.441 1.441
Acid value (mgKOH/g) ≤ 0.02 0.014
Moisture ≤ 0.25% 0.15%
Melting point -50.0°C Conform
Boiling point 294.0°C Conform
Purity ≥ 99.0% 99.75%

Solubility @25˚C

Solvent Solubility (g/L)
ethanol 138.95
methanol 266.16
isopropanol 88.73
water 1.98
ethyl acetate 453.75
n-propanol 97.59
acetone 824.34
n-butanol 68.0
acetonitrile 431.95
DMF 3194.64
toluene 184.87
isobutanol 71.54
1,4-dioxane 408.19
methyl acetate 575.06
THF 944.08
2-butanone 460.35
n-pentanol 54.66
sec-butanol 88.48
n-hexane 11.89
ethylene glycol 62.09
NMP 4662.65
cyclohexane 14.12
DMSO 3611.08
n-butyl acetate 190.68
n-octanol 28.85
chloroform 985.72
n-propyl acetate 239.22
acetic acid 935.81
dichloromethane 1324.51
cyclohexanone 789.66
propylene glycol 69.33
isopropyl acetate 243.05
DMAc 3232.79
2-ethoxyethanol 257.45
isopentanol 61.95
n-heptane 4.69
ethyl formate 383.72
1,2-dichloroethane 895.52
n-hexanol 39.49
2-methoxyethanol 497.77
isobutyl acetate 97.97
tetrachloromethane 79.2
n-pentyl acetate 99.59
transcutol 527.8
n-heptanol 20.26
ethylbenzene 115.52
MIBK 147.53
2-propoxyethanol 195.14
tert-butanol 126.79
MTBE 153.23
2-butoxyethanol 82.32
propionic acid 422.51
o-xylene 170.36
formic acid 595.99
diethyl ether 150.5
m-xylene 111.19
p-xylene 147.01
chlorobenzene 353.49
dimethyl carbonate 514.01
n-octane 2.18
formamide 1172.97
cyclopentanone 1357.49
2-pentanone 319.49
anisole 325.99
cyclopentyl methyl ether 401.9
gamma-butyrolactone 2418.05
1-methoxy-2-propanol 325.9
pyridine 709.2
3-pentanone 338.03
furfural 2015.26
n-dodecane 2.04
diethylene glycol 177.82
diisopropyl ether 36.93
tert-amyl alcohol 133.22
acetylacetone 739.3
n-hexadecane 2.48
acetophenone 510.87
methyl propionate 567.36
isopentyl acetate 150.36
trichloroethylene 1909.29
n-nonanol 29.02
cyclohexanol 129.77
benzyl alcohol 242.48
2-ethylhexanol 34.69
isooctanol 18.7
dipropyl ether 68.85
1,2-dichlorobenzene 442.54
ethyl lactate 170.86
propylene carbonate 1106.56
n-methylformamide 1166.63
2-pentanol 50.99
n-pentane 7.36
1-propoxy-2-propanol 129.4
1-methoxy-2-propyl acetate 301.99
2-(2-methoxypropoxy) propanol 187.89
mesitylene 57.83
ε-caprolactone 852.69
p-cymene 48.77
epichlorohydrin 1568.68
1,1,1-trichloroethane 517.11
2-aminoethanol 103.63
morpholine-4-carbaldehyde 2172.29
sulfolane 3987.33
2,2,4-trimethylpentane 7.22
2-methyltetrahydrofuran 566.31
n-hexyl acetate 140.92
isooctane 2.66
2-(2-butoxyethoxy)ethanol 162.94
sec-butyl acetate 149.21
tert-butyl acetate 236.57
decalin 16.55
glycerin 177.68
diglyme 423.91
acrylic acid 563.81
isopropyl myristate 50.7
n-butyric acid 382.31
acetyl acetate 475.06
di(2-ethylhexyl) phthalate 79.3
ethyl propionate 294.8
nitromethane 2931.02
1,2-diethoxyethane 141.87
benzonitrile 323.71
trioctyl phosphate 44.14
1-bromopropane 250.22
gamma-valerolactone 1983.02
n-decanol 20.2
triethyl phosphate 149.04
4-methyl-2-pentanol 27.56
propionitrile 221.48
vinylene carbonate 1078.55
1,1,2-trichlorotrifluoroethane 1308.31
DMS 399.5
cumene 70.59
2-octanol 16.32
2-hexanone 182.59
octyl acetate 70.61
limonene 72.65
1,2-dimethoxyethane 519.17
ethyl orthosilicate 109.47
tributyl phosphate 76.28
diacetone alcohol 265.34
N,N-dimethylaniline 296.01
acrylonitrile 489.22
aniline 317.26
1,3-propanediol 127.94
bromobenzene 365.31
dibromomethane 689.22
1,1,2,2-tetrachloroethane 1338.0
2-methyl-cyclohexyl acetate 157.97
tetrabutyl urea 125.55
diisobutyl methanol 22.93
2-phenylethanol 134.8
styrene 163.7
dioctyl adipate 123.84
dimethyl sulfate 1651.56
ethyl butyrate 188.38
methyl lactate 383.27
butyl lactate 111.08
diethyl carbonate 161.99
propanediol butyl ether 98.15
triethyl orthoformate 129.08
p-tert-butyltoluene 42.33
methyl 4-tert-butylbenzoate 260.78
morpholine 598.03
tert-butylamine 64.36
n-dodecanol 14.76
dimethoxymethane 733.54
ethylene carbonate 703.21
cyrene 411.21
2-ethoxyethyl acetate 208.32
2-ethylhexyl acetate 127.12
1,2,4-trichlorobenzene 601.89
4-methylpyridine 848.05
dibutyl ether 51.89
2,6-dimethyl-4-heptanol 22.93
DEF 823.95
dimethyl isosorbide 485.9
tetrachloroethylene 739.38
eugenol 182.42
triacetin 342.69
span 80 125.83
1,4-butanediol 54.81
1,1-dichloroethane 535.26
2-methyl-1-pentanol 61.36
methyl formate 973.35
2-methyl-1-butanol 75.4
n-decane 3.77
butyronitrile 150.86
3,7-dimethyl-1-octanol 36.77
1-chlorooctane 26.53
1-chlorotetradecane 10.27
n-nonane 3.39
undecane 2.69
tert-butylcyclohexane 10.6
cyclooctane 5.15
cyclopentanol 194.55
tetrahydropyran 288.79
tert-amyl methyl ether 163.6
2,5,8-trioxanonane 312.15
1-hexene 47.73
2-isopropoxyethanol 141.71
2,2,2-trifluoroethanol 510.24
methyl butyrate 399.95

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  • CAS NO.

    77-93-0

  • OLFACTIVE FAMILY

    Solvent

  • BRAND

    Mamta Polycoats

Olfactory Pyramid

base

IFRA standard 51

Recommendation
No restriction
Maximum acceptable concentrations in the finished product (%)
Category 1
Products applied to the lips
 No restriction Category 7A
Rinse-off products applied to the hair with some hand contact
 No restriction
Category 2
Products applied to the axillae
 No restriction Category 7B
Leave-on products applied to the hair with some hand contact
 No restriction
Category 3
Products applied to the face/body using fingertips
 No restriction Category 8
Products with significant anogenital exposure
 No restriction
Category 4
Products related to fine fragrance
 No restriction Category 9
Products with body and hand exposure, primarily rinse off
 No restriction
Category 5A
Body lotion products applied to the body using the hands (palms), primarily leave on
 No restriction Category 10A
Household care products with mostly hand contact
 No restriction
Category 5B
Face moisturizer products applied to the face using the hands (palms), primarily leave on
 No restriction Category 10B
Household care products with mostly hand contact, including aerosol/spray products (with potential leave-on skin contact)
 No restriction
Category 5C
Hand cream products applied to the hands using the hands (palms), primarily leave on
 No restriction Category 11A
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate without UV exposure
 No restriction
Category 5D
Baby Creams, baby Oils and baby talc
 No restriction Category 11B
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate with potential UV exposure
 No restriction
Category 6
Products with oral and lip exposure
 No restriction Category 12
Products not intended for direct skin contact, minimal or insignificant transfer to skin
 No restriction

Shipping & Returns

  • All orders will be processed within 1-2 business days from the time the order is confirmed.
  • Free shipping is available for orders valued at $200 or more.
  • Delivery time is 1-3 business days for local areas, 3-7 days for suburban and nationwide deliveries, and 1-4 weeks for international orders.
  • You have 30 days from the date of receipt to initiate the return process.
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Certificates of Quality

  • Certificate of Analysis (COA)

    Provides information on the physical and chemical properties of the product.
    Download  

  • IFRA Certificate of Conformity

    Sets safety standards and guidelines for the product in manufacturing.
    Download  

  • Safety Data Sheet (SDS)

    Provides important safety guidelines for transporting, storing, and using the product.
    Download  
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