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#4774004 - 06/01/18 01:45 AM Mobil 1 alkylated naphthalene (AN) and Esterex ?
Toh1 Offline


Registered: 05/30/18
Posts: 56
Loc: Georgia
I have check all the Mobil 1 products msds all viscosity then do not contain alkylated naphthalene (AN) and Esterex™ esters ? Did Mobil stop using group 5 base oil if they used it then in which viscosity?

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#4774083 - 06/01/18 06:58 AM Re: Mobil 1 alkylated naphthalene (AN) and Esterex ? [Re: Toh1]
kschachn Online   content


Registered: 12/26/05
Posts: 9700
Loc: Upper Midwest
Can you explain what those compounds are and why it would be significant Mobil may have changed formulation?
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#4774103 - 06/01/18 07:19 AM Re: Mobil 1 alkylated naphthalene (AN) and Esterex ? [Re: Toh1]
OVERKILL Online   content


Registered: 04/28/08
Posts: 36777
Loc: Ontario, Canada
They may not be considered hazardous and thus, not need to be mentioned.
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#4774107 - 06/01/18 07:20 AM Re: Mobil 1 alkylated naphthalene (AN) and Esterex ? [Re: Toh1]
Toh1 Offline


Registered: 05/30/18
Posts: 56
Loc: Georgia
It group 5 oil which better in solvancy, seal compabitily. Last longer in engine can extented drain interval and protect engine better cold or hot climate ,do not need viscosity improvers .this base oil is better in every aspect in terms of gtl , group 3 oil which mostly used in syntice oil.

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#4774108 - 06/01/18 07:23 AM Re: Mobil 1 alkylated naphthalene (AN) and Esterex ? [Re: OVERKILL]
Toh1 Offline


Registered: 05/30/18
Posts: 56
Loc: Georgia
As of today do you have any information which mobil 1 like 0-40,0w20,5w20 etc contain AN or ester. I think I read bitog that either 0w40 msds used to has AN list .


Edited by Toh1 (06/01/18 07:26 AM)

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#4774110 - 06/01/18 07:24 AM Re: Mobil 1 alkylated naphthalene (AN) and Esterex ? [Re: Toh1]
OVERKILL Online   content


Registered: 04/28/08
Posts: 36777
Loc: Ontario, Canada
Originally Posted By: Toh1
It group 5 oil which better in solvancy, seal compabitily. Last longer in engine can extented drain interval and protect engine better cold or hot climate ,do not need viscosity improvers .this base oil is better in every aspect in terms of gtl , group 3 oil which mostly used in syntice oil.


A blend using Esterex and/or AN's still requires VII's if it is trying to meet a wide spread like say 5w-30 or 0w-40. A 0w-20 or 10w-30 can be blended without VII's but they are not common.
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#4774115 - 06/01/18 07:35 AM Re: Mobil 1 alkylated naphthalene (AN) and Esterex ? [Re: Toh1]
OVERKILL Online   content


Registered: 04/28/08
Posts: 36777
Loc: Ontario, Canada
Originally Posted By: Toh1
As of today do you have any information which mobil 1 like 0-40,0w20,5w20 etc contain AN or ester.


No, because Mobil doesn't divulge that information. Their base oil "example" blending chart shows both products however, it's surfing around this board somewhere if you search.
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#4774126 - 06/01/18 07:50 AM Re: Mobil 1 alkylated naphthalene (AN) and Esterex ? [Re: OVERKILL]
Toh1 Offline


Registered: 05/30/18
Posts: 56
Loc: Georgia
I have search from last 6 month only find that they contain 2% ester oil I even have search in google but no one can able to if any Mobil 1 contains ester oil more than 2 % even bitgo same there no form that have this information even ask mobil 1 but same story it a trade secret. Even if you have any idea about which Mobil 1 contains AN or ester base I will appreciate it.

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#4774134 - 06/01/18 07:54 AM Re: Mobil 1 alkylated naphthalene (AN) and Esterex ? [Re: Toh1]
deven Offline


Registered: 06/28/05
Posts: 3433
Loc: Massachusetts
Its proprietary information. You'll never find out for sure!!
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#4774183 - 06/01/18 08:42 AM Re: Mobil 1 alkylated naphthalene (AN) and Esterex ? [Re: Toh1]
ARCOgraphite Offline


Registered: 05/17/09
Posts: 12133
Loc: N.H, U.S.A.
Most of XoM M1 marketed oil formulations are not synthetic.

The day was many years ago when Mobil 1 was formulated with PAO/AN/POA. I had a jug sitting around as a fond memory of Mobil before BP ruined synthetic oil in North America with their junk group III blends.
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#4774194 - 06/01/18 08:56 AM Re: Mobil 1 alkylated naphthalene (AN) and Esterex ? [Re: ARCOgraphite]
4WD Offline


Registered: 09/21/10
Posts: 6912
Loc: Texas
Originally Posted By: ARCOgraphite
Most of XoM M1 marketed oil formulations are not synthetic.

The day was many years ago when Mobil 1 was formulated with PAO/AN/POA. I had a jug sitting around as a fond memory of Mobil before BP ruined synthetic oil in North America with their junk group III blends.


Oh, that again … I think they did us a favor … nothing wrong with Group III lubes at the price we pay in the USA … Here is what I bought today for $25/5 quart jug:


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#4774206 - 06/01/18 09:10 AM Re: Mobil 1 alkylated naphthalene (AN) and Esterex ? [Re: Toh1]
oil_film_movies Offline


Registered: 06/13/16
Posts: 2736
Loc: MN
4WD, around 60% PAO in Mobil1 Extended Performance 0w20 is impressive, especially at that walmart price point. Mobil1 Annual Protection is similar too, although with presumably better anti-oxidants in the additive package.
Ravenol DXG 5w30 and 0w20, by comparison, has no GroupIII (all PAO+esters base oil), although you have to pay a lot more.

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#4774217 - 06/01/18 09:19 AM Re: Mobil 1 alkylated naphthalene (AN) and Esterex ? [Re: oil_film_movies]
4WD Offline


Registered: 09/21/10
Posts: 6912
Loc: Texas
Agree … even though the OLM will have me changing it out by 8k … figured with DI and AFM this will hold up and I don’t bother with UOA … and I admit the 20’s are something I’ve had to get my head around …
now if I could find a good filter with the correct PSI on bypass …

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#4774370 - 06/01/18 11:41 AM Re: Mobil 1 alkylated naphthalene (AN) and Esterex ? [Re: 4WD]
ARCOgraphite Offline


Registered: 05/17/09
Posts: 12133
Loc: N.H, U.S.A.
Originally Posted By: 4WD
Originally Posted By: ARCOgraphite
Most of XoM M1 marketed oil formulations are not synthetic.

The day was many years ago when Mobil 1 was formulated with PAO/AN/POA. I had a jug sitting around as a fond memory of Mobil before BP ruined synthetic oil in North America with their junk group III blends.


Oh, that again … I think they did us a favor … nothing wrong with Group III lubes at the price we pay in the USA … Here is what I bought today for $25/5 quart jug:




Yeah I posted that same SDS many moons ago. The Only product I could find with significant PAO to be classified as synthetic. No proof though SDS can be wrong/old. Ran it in the wife's Subaru with just MEH result and mucho engine noise. Back to Valvoline 0w20.
An NO, the group III ive run don't come close to performing like a well formulated real syn blend IMO. I do LIke the QSUD but that's a special case for MISSCLASSIFIED true synthetic paraffin. But its a paraffin.
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2014 Nissan Rogue S CVT, OC#9 41392mi-QSUD10W30 + M110A CHAMP Filter; 2017 Subaru Crosstrek CVT OC#2 ?? mi-SOA/Idemitsu 0w20 + SOA Filter

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#4774379 - 06/01/18 12:01 PM Re: Mobil 1 alkylated naphthalene (AN) and Esterex ? [Re: ARCOgraphite]
Toh1 Offline


Registered: 05/30/18
Posts: 56
Loc: Georgia
I agree that group 3 oil is no way near true synthetic group 4 or group 5.


Edited by Toh1 (06/01/18 12:01 PM)

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