Table 3-1Chemical Identity of Hydraulic Fluid Products

CharacteristicHoughto-Safe 5047FaPyroguard A-433bQuintolubric 95830Wb
ClassWater-in-oilWater-in-oilWater-in-oil
Product descriptionNo dataNo dataNo data
Registered trade name(s)Houghto-Safe 5047FPyroguard A-433Quintolubric 95830W
ComponentsMineral oil (30-60%); ethylene glycol (1-10%); remainder waterMineral oil (60%); water (40%)Mineral oil (60%); water (40%)
Identification numbers:
 CAS registryNo dataNo dataNo data
 NIOSH RTECSNo dataNo dataNo data
 EPA hazardous wasteNo dataNo dataNo data
 OHM/TADSNo dataNo dataNo data
 DOT/UN/NA/IMCO shippingNo dataNo dataNo data
 HSDBNo dataNo dataNo data
 NCINo dataNo dataNo data
CharacteristicSunsafe FaCellulube 220cDurad 110d
ClassWater-in-oilPhosphate esterPhosphate ester
Product descriptionNo dataTriaryl phosphateIsopropylated triphenyl phosphate mixture
Registered trade name(s)Sunsafe FCellulube 220*Durad 110
ComponentsMineral oil (60%); water (40%); <2% ethylene glycolTriphenyl phosphate; tricresyl phosphates, trixylenyl phosphates; trialkyl phenyl phosphatesIsopropylated triphenyl phosphate; triphenyl phosphate
Identification numbers:
 CAS registryNo dataNo dataNo data
 NIOSH RTECSNo dataNo dataNo data
 EPA hazardous wasteNo dataNo dataNo data
 OHM/TADSNo dataNo dataNo data
 DOT/UN/NA/IMCO shippingNo dataNo dataNot applicable
 HSDBNo dataNo dataNo data
 NCINo dataNo dataNo data
CharacteristicDurad 125e (additive)Durad 220f (additive)Durad 220Bg
ClassPhosphate esterPhosphate esterPhosphate ester
Product descriptionTricresyl phosphateIsopropylphenyl phosphatet-Butylphenyl diphenyl phosphate
Registered trade name(s)Durad 125Durad 220mixtureDurad 220B; MIL-H-19457Cx
ComponentsTricresyl phosphates; currently less than 1 % total ortho isomer, no detectable tri-ortho-cresyl phosphateIsopropylphenyl phosphate blendt-Butylphenyl phenyl phosphate; triphenyl phosphate
Identification numbers:
 CAS registryNo dataNo data28777-70-0w
 NIOSH RTECSNo dataNo dataTC8625000x
 EPA hazardous wasteNo dataNo dataNo data
 OHM/TADSNo dataNo dataNo data
 DOT/UN/NA/IMCO shippingNo dataNo dataNot applicable
 HSDBNo dataNo dataNo data
 NCINo dataNo dataNo data
CharacteristicDurad 300hDurad 550BiDurad MP280Bj (hydraulic fluid) (now known as ReolubeR)
ClassPhosphate esterPhosphate esterPhosphate ester
Product descriptionIsopropylated triphenyl phosphate mixturet-Butylated triphenyl phosphate mixtureMixed triaryl phosphate
Registered trade name(s)Durad 300Durad 550BDurad MP280B (ReolubeR)
ComponentsIsopropylated triphenyl phosphate; triphenyl phosphate (15%)Not specifiedt-butylphenyl phenyl phosphate, triphenyl phosphate; additives
Identification numbers:
 CAS registryNo dataNo data68937-40-6
 NIOSH RTECSNo dataNo dataNo data
 EPA hazardous wasteNo dataNo dataNo data
 OHM/TADSNo dataNo dataNo data
 DOT/UN/NA/IMCO shippingNot applicableNot applicableNo data
 HSDBNo dataNo dataNo data
 NCINo dataNo dataNo data
CharacteristicFyrquel 150kFyrquel 220lFyrquel EHCm
ClassPhosphate ester mixturePhosphate ester mixturePhosphate ester mixture
Product descriptionButylated triphenyl phosphateMixed triaryl phosphateMixed triaryl phosphate
Registered trade name(s)Fyrquel 150Fyrquel 220Fyrquel EHC
ComponentsButylated triphenyl phosphate ≈ 100%; triphenyl phosphate 15–20%t-Butylphenyl diphenyl phosphate 35–40%; di(t-butylphenyl) phenyl phosphate 25–30%; triphenyl phosphate 15–20%; tri (p-t-butylphenyl) phosphate 6–10%; butylated triphenyl phosphate 6–10%Mixed triaryl phosphate ≈50%; mixed xylenyl phosphate ≈ 50%; triphenyl phosphate ≈7–10%
Identification numbers:
 CAS registryNo data55957-10-3wNo data
 NIOSH RTECSNo dataNo dataNo data
 EPA hazardous wasteNo dataNo dataNo data
 OHM/TADSNo dataNo dataNo data
 DOT/UN/NA/IMCO shippingNo dataNo dataNo data
 HSDBNo dataNo dataNo data
 NCINo dataNo dataNo data
CharacteristicHyjet IVnPydraul 29ELToPydraul 50Eo
ClassOrganophosphatePhosphate esterPhosphate ester
Product descriptionTrialkyl phosphateMixed triaryl phosphatePhosphate ester mixture
Registered trade name(s)Hyjet IVPydraul 29ELTPydraul 50E
ComponentsTributyl phosphate (79%); cycloaliphatic epoxide (2.0%) additives, including a triaryl phophate (21.0%)Mixture of 2-ethylhexyl diphenyl blend; p-t-butyl phenyl blend; triphenyl phosphate; di(7-9-11)phthalate blend; di-2-ethylhexyl phenyl phosphateNonylphenyl diphenyl phosphate (≈41%); cumylphenyl diphenyl phosphate (≈23%); triphenyl phosphate (≈36%)w
Identification numbers:
 CAS registryNo dataNo data66594-31-8w
 NIOSH RTECSNo dataNo dataNo data
 EPA hazardous wasteNo dataNo dataNo data
 OHM/TADSNo dataNo dataNo data
 DOT/UN/NA/IMCO shippingUN3082No dataNot applicable
 HSDBNo dataNo dataNo data
 NCINo dataNo dataNo data
CharacteristicPydraul 90EoReofos 50pReofos 65qReolube HYD46r
ClassPhosphate esterPhosphate esterPhosphate esterPhosphate ester blend
Product descriptionMixed triaryl phosphateIsopropylated triphenyl phosphate mixtureIsopropylated triphenyl phosphate mixtureIsopropylated triphenyl phosphate blend
Registered trade name(s)Pydraul 90EReofos 50Reofos 65Reolube HYD46
ComponentsMixture of nonylphenyl diphenyl phosphate; cumylphenyl phosphate; cumylphenyl diphenyl phosphate; triphenyl phosphate; performance additives—phosphate ester blends including CAS# 6630-28-3Not specifiedMixture of triphenyl phosphate; o-isopropylphenyl diphenyl phosphate; bis(o-isopropylphenyl)phenyl phosphate; tris(o-isopropylphenyl)phosphateNot specified
Identification numbers:
 CAS registryNo data63848-94-2wNo data107028-44-4w
 NIOSH RTECSNo dataNo dataNo dataNo data
 EPA hazardous wasteNo dataNo dataNo dataNo data
 OHM/TADSNo dataNo dataNo dataNo data
 DOT/UN/NA/IMCO shippingNo dataNo dataNo dataNo data
 HSDBNo dataNo dataNo dataNo data
 NCINo dataNo dataNo dataNo data
ClassPhosphate ester mixturesPhosphate ester mixturetPhosphazene esteruPolyalphaolefin
ClassPhosphate ester mixturePhosphate ester mixturePhosphazene esterPolyalphaolefin
Product descriptionCyclotriphosphazeneHydrogenated oligomers of alphaolefins
Registered trade name(s)Skydrol 500B, Skydrol 500B-4Skydrol LD-4See Table 3-2
ComponentsSkydrol 500B: tri-n-butyl-phosphate (65-75%); di-n-butyl phenyl phosphate (10-15%); n-butyl diphenyl phosphate (10-15%); Skydrol 500B-4y: tributyl phosphate; dibutyl phenyl phosphate; butyl diphenyl phosphateSkydrol LD: tri-n-butyl-phosphatey Skydrol LD-4: tributyl phosphate; dibutyl phenyl phosphate; 2,5-di-tert-butyl-p-cresol (minor component); butyl diphenyl phosphate

Dimers, trimers and tetramers of cyclotriphosphazene ester and 0.1% tolyltriazole

(P3N3)n

Mixture of oligomers of linear alphaolefins having 6 or more carbon atomsv

(C=C-C-C-C-C-)n

Identification numbers:
 CAS registry50815-84-4w55962-27-1w291-37-2See Table 3-2
 NIOSH RTECSVX5500000xNo dataNo data
 EPA hazardous wasteNo dataNo dataNo data
 OHM/TADSDOT/UN/NA/IMCO shippingNo applicableNo applicableNo data
 HSDBNo dataNo dataNo data
 NCINo dataNo dataNo data
a
b
c
d
e
f
g
h

FMC 1991c

i
j
k
l
m
n
o
p
q
r

FMC 1990, 1995

s
t
u
v
w

CAS 1995a

x
y

Monsanto 1990

*

A fluid designated “TAP-1” described by Siegel et al. (1965) appears to be very similar if not identical to Cellulube 220.

CAS = Chemical Abstracts Service; DOT/UN/NA/IMO = Dept, of Transportation/United Nations/North America/International Maritime Dangerous Goods Code;EPA = Environmental Protection Agency; HSDB = Hazardous Substances Data Bank; NCI = National Cancer Institute; NIOSH = National Institute for Occupational Safety and Health; OHM/TADS = Oil and Hazardous Materials/Technical Assistance Data System; RTECS = Registry of Toxic Effects of Chemical Substances

From: 3, CHEMICAL AND PHYSICAL INFORMATION

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Toxicological Profile for Hydraulic Fluids.
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