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Benzyl Benzoate BB Solvent
CAS# 120-51-4

Balsamic, Fruity, Sweet, Herbal, Floral

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Benzyl Benzoate (benzoic acid benzyl ester) is a high-boiling ester that is nearly non-volatile at ambient conditions. In fragrance work, it is valued as a scent carrier/co-solvent and a fixative that extends the longevity of compositions.

Sensorially, Benzyl Benzoate is light, warm, and balsamic with a faint sweetness. This discreet base note softens sharp edges, rounds the overall structure, and adds a smooth, polished dry-down-especially helpful in amber/oriental, white-floral (jasmine, tuberose), and resinous formulas.

In compounding, Benzyl Benzoate serves as an effective solvent for many “difficult” materials (resins/balsams, coumarin, certain musks and lactones), helping to prevent crystallization, keep concentrates clear, and reduce phase separation. Thanks to its low vapor pressure, it slows overall evaporation and improves wear on skin and on substrates.

Typical applications include fine fragrance, personal care scenting, home fragrance (candles, reed diffusers, room sprays), and as a supporting component in solvent systems where high stability is required. At appropriate levels, Benzyl Benzoate stays in the background, bridging and lifting other notes rather than dominating.

Technical profile: clear to very pale yellow liquid; medium viscosity; light balsamic odor; insoluble in water; freely soluble in ethanol, oils, and most perfumery solvents. CAS: 120-51-4. Synonyms: Benzyl benzoate, Benzoic acid benzyl ester. Commonly supplied at high purity for fragrance use.

Safety & compliance: Benzyl Benzoate is a widely used fragrance ingredient and may be a label-declarable allergen in the EU above threshold levels. Always consult the current IFRA Standards, review batch SDS/COA, and perform application-specific risk assessment.

General guidance: dose flexibly-from traces to smooth the base to higher percentages when co-solvency is needed. Test compatibility with sensitive ingredients and monitor clarity/color stability over time.

Storage & packaging: keep tightly closed in a cool, dry place away from heat and light; minimize headspace exposure. Use suitable HDPE cans or lacquered aluminum/amber glass for fragrance solvents. Wear basic PPE and follow standard lab safety procedures during handling.

Technical standards

Physical appearance Transparent liquid Conform
Color Colorless to pale yellow Conform
Specific Gravity @20˚C 1.116 → 1.12 1.1178
Refractive Index @20˚C 1.568 → 1.57 1.5693
Acid value (mgKOH/g) ≤ 1.0 0.22
Melting point 18.0°C Conform
Purity ≥ 99.0% 99.7%

Solubility @25˚C

Solvent Solubility (g/L)
ethanol 71.06
methanol 89.13
isopropanol 32.5
water 0.23
ethyl acetate 293.98
n-propanol 55.5
acetone 168.53
n-butanol 53.18
acetonitrile 234.59
DMF 316.65
toluene 107.35
isobutanol 38.89
1,4-dioxane 290.31
methyl acetate 261.73
THF 288.53
2-butanone 244.25
n-pentanol 50.43
sec-butanol 50.52
n-hexane 8.1
ethylene glycol 14.35
NMP 148.69
cyclohexane 10.83
DMSO 167.43
n-butyl acetate 186.54
n-octanol 44.01
chloroform 608.27
n-propyl acetate 203.58
acetic acid 167.64
dichloromethane 623.47
cyclohexanone 259.09
propylene glycol 20.41
isopropyl acetate 166.73
DMAc 434.78
2-ethoxyethanol 120.67
isopentanol 67.07
n-heptane 8.44
ethyl formate 142.89
1,2-dichloroethane 607.3
n-hexanol 65.21
2-methoxyethanol 183.08
isobutyl acetate 127.54
tetrachloromethane 22.29
n-pentyl acetate 100.38
transcutol 1166.79
n-heptanol 41.79
ethylbenzene 105.35
MIBK 146.97
2-propoxyethanol 141.71
tert-butanol 61.12
MTBE 105.83
2-butoxyethanol 108.4
propionic acid 113.42
o-xylene 76.87
formic acid 51.21
diethyl ether 176.69
m-xylene 69.9
p-xylene 100.71
chlorobenzene 228.7
dimethyl carbonate 133.88
n-octane 5.22
formamide 170.35
cyclopentanone 253.34
2-pentanone 190.88
anisole 266.82
cyclopentyl methyl ether 109.54
gamma-butyrolactone 347.59
1-methoxy-2-propanol 130.14
pyridine 457.35
3-pentanone 174.41
furfural 407.34
n-dodecane 5.22
diethylene glycol 88.28
diisopropyl ether 46.57
tert-amyl alcohol 75.32
acetylacetone 272.5
n-hexadecane 6.15
acetophenone 247.84
methyl propionate 216.52
isopentyl acetate 183.02
trichloroethylene 1126.87
n-nonanol 44.22
cyclohexanol 50.81
benzyl alcohol 119.4
2-ethylhexanol 57.08
isooctanol 42.31
dipropyl ether 93.76
1,2-dichlorobenzene 250.3
ethyl lactate 77.28
propylene carbonate 246.38
n-methylformamide 167.24
2-pentanol 45.06
n-pentane 4.72
1-propoxy-2-propanol 107.95
1-methoxy-2-propyl acetate 191.39
2-(2-methoxypropoxy) propanol 164.94
mesitylene 49.0
ε-caprolactone 254.4
p-cymene 49.25
epichlorohydrin 603.29
1,1,1-trichloroethane 276.52
2-aminoethanol 39.17
morpholine-4-carbaldehyde 263.26
sulfolane 288.37
2,2,4-trimethylpentane 6.54
2-methyltetrahydrofuran 158.38
n-hexyl acetate 147.31
isooctane 5.58
2-(2-butoxyethoxy)ethanol 230.39
sec-butyl acetate 155.56
tert-butyl acetate 173.01
decalin 14.95
glycerin 36.79
diglyme 563.77
acrylic acid 119.25
isopropyl myristate 60.9
n-butyric acid 169.07
acetyl acetate 195.36
di(2-ethylhexyl) phthalate 51.57
ethyl propionate 203.72
nitromethane 493.66
1,2-diethoxyethane 306.12
benzonitrile 207.05
trioctyl phosphate 33.19
1-bromopropane 184.38
gamma-valerolactone 376.18
n-decanol 33.72
triethyl phosphate 74.9
4-methyl-2-pentanol 43.38
propionitrile 192.82
vinylene carbonate 279.23
1,1,2-trichlorotrifluoroethane 267.67
DMS 181.78
cumene 62.37
2-octanol 29.88
2-hexanone 174.2
octyl acetate 72.67
limonene 58.81
1,2-dimethoxyethane 343.7
ethyl orthosilicate 68.59
tributyl phosphate 52.75
diacetone alcohol 159.55
N,N-dimethylaniline 130.05
acrylonitrile 318.3
aniline 121.05
1,3-propanediol 63.97
bromobenzene 244.64
dibromomethane 354.5
1,1,2,2-tetrachloroethane 804.52
2-methyl-cyclohexyl acetate 121.75
tetrabutyl urea 68.73
diisobutyl methanol 44.0
2-phenylethanol 115.06
styrene 146.13
dioctyl adipate 102.66
dimethyl sulfate 163.98
ethyl butyrate 180.06
methyl lactate 89.54
butyl lactate 82.23
diethyl carbonate 137.96
propanediol butyl ether 93.25
triethyl orthoformate 109.18
p-tert-butyltoluene 42.47
methyl 4-tert-butylbenzoate 146.08
morpholine 258.08
tert-butylamine 39.64
n-dodecanol 26.82
dimethoxymethane 249.84
ethylene carbonate 198.11
cyrene 108.76
2-ethoxyethyl acetate 185.95
2-ethylhexyl acetate 139.04
1,2,4-trichlorobenzene 253.27
4-methylpyridine 301.98
dibutyl ether 109.46
2,6-dimethyl-4-heptanol 44.0
DEF 269.18
dimethyl isosorbide 261.31
tetrachloroethylene 393.01
eugenol 145.05
triacetin 178.78
span 80 99.32
1,4-butanediol 22.97
1,1-dichloroethane 319.29
2-methyl-1-pentanol 69.06
methyl formate 139.38
2-methyl-1-butanol 56.83
n-decane 8.28
butyronitrile 159.79
3,7-dimethyl-1-octanol 59.14
1-chlorooctane 46.27
1-chlorotetradecane 18.66
n-nonane 7.21
undecane 6.35
tert-butylcyclohexane 13.88
cyclooctane 4.57
cyclopentanol 37.26
tetrahydropyran 193.11
tert-amyl methyl ether 99.08
2,5,8-trioxanonane 341.92
1-hexene 50.72
2-isopropoxyethanol 93.04
2,2,2-trifluoroethanol 57.5
methyl butyrate 248.37

Scent© AI

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  • CAS NO.

    120-51-4

  • OLFACTIVE FAMILY

    Balsamic

  • BRAND

    Scent.vn

Olfactory Pyramid

base

Notes

Balsamic
Fruity
Sweet
Herbal
Floral

IFRA standard 51

Recommendation
Restriction
Maximum acceptable concentrations in the finished product (%)
Category 1
Products applied to the lips
 1.7 % Category 7A
Rinse-off products applied to the hair with some hand contact
 0.41 %
Category 2
Products applied to the axillae
 1.4 % Category 7B
Leave-on products applied to the hair with some hand contact
 0.41 %
Category 3
Products applied to the face/body using fingertips
 0.41 % Category 8
Products with significant anogenital exposure
 0.07 %
Category 4
Products related to fine fragrance
 4.8 % Category 9
Products with body and hand exposure, primarily rinse off
 1.9 %
Category 5A
Body lotion products applied to the body using the hands (palms), primarily leave on
 4.3 % Category 10A
Household care products with mostly hand contact
 1.9 %
Category 5B
Face moisturizer products applied to the face using the hands (palms), primarily leave on
 0.21 % Category 10B
Household care products with mostly hand contact, including aerosol/spray products (with potential leave-on skin contact)
 12 %
Category 5C
Hand cream products applied to the hands using the hands (palms), primarily leave on
 0.83 % Category 11A
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate without UV exposure
 0.07 %
Category 5D
Baby Creams, baby Oils and baby talc
 0.07 % Category 11B
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate with potential UV exposure
 0.07 %
Category 6
Products with oral and lip exposure
 0.41 % Category 12
Products not intended for direct skin contact, minimal or insignificant transfer to skin
 No restriction

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  • 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.
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  • 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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