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In a meeting with the home secretary, at which "frank views" were exchanged, the social networking site also defended its current reporting system.
The conviction of Peter Chapman for the murder of 17-year-old Ashleigh Hall led to renewed calls for a "panic button".
The convicted sex offender lured the teenager to her death using Facebook.

Following the meeting on Thursday Home Secretary Alan Johnson said Facebook executives had told him they had "no objection in principle" to installing the safety button.

It is disappointing that it's taken a child to be harmed, and this amount of pressure, to make them do the right thing Sharon Doughty, Kids Task Force

Mr Johnson said he and the site's executives had had a "frank exchange of views" during the meeting, following calls for Facebook to link to the Child Exploitation and Online Protection (Ceop) centre.
"I emphasised that including the Ceop abuse reporting button on their site has the potential to transform child protection - and that the company should put this above all other considerations," said the home secretary.
He said a high-level meeting would be held between Facebook and Ceop officials in Washington on 12 April to discuss it further.
Children's charity Kids Task Force said use of the button would be "great" but added that it was "extraordinary" that it had taken the involvement of the home secretary to persuade Facebook to help protect youngsters.
President Sharon Doughty said: "It is disappointing that it's taken a child to be harmed, and this amount of pressure, to make them do the right thing."
Facebook 'deeply saddened'
A Facebook spokesman confirmed the company was considering adding the Ceop button, as well as a link to an anti-bullying site.
Defending Facebook's current set-up he said they had been pleased to provide Mr Johnson with further details about their "robust reporting system".
"This innovative system has been developed by analysing millions of reports submitted over the years and testing ways to continually improve our system.
"The system effectively handles all manner of potential abuse we see on the site, ranging from the common minor breaking of the rules, such as embarrassing pictures, to the extremely rare serious matters that are quickly escalated to law enforcement."
He said they had gone on to explain that the website was "exploring ways to improve safety", which included adding links to more organisations, including Ceop and Beatbullying, on Facebook's reporting pages.
"We will also explore adding the Ceop button to our Safety Centre," he added.
Peter Chapman, 33, was jailed for at least 35 years this month for killing Ashleigh Hall last October.
She was raped, suffocated and her body dumped in a field near Sedgefield, County Durham, after agreeing to meet Chapman.
Earlier that month, she had been attracted by a picture of a young, bare-chested man that Chapman - calling himself Peter Cartwright - had posted on Facebook.
Facebook said it was "deeply saddened by the tragic death".

(from internet)